371 Answered Questions for the topic physics B

Physics B Physics Physics C

10/30/21

Fill in the blanks. Thanks Bless your lovelife, family and you
An object undergoing uniform circular motion has a acceleration pointed at the_____. although the speed is_____. The time it takes to complete one full circle is called_____.
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Physics B Physics Physics C

10/30/21

Solve the problem below. Thanks Bless your lovelife, family and you
An airplane's compass indicates that it is headed due north and its airspeed indicator shows that it is moving through the air at 240 km/h. If there's a 100 km/h wind from west to east, what is... more
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Physics B Physics Physics C

10/30/21

Solve the problem
A Ferris wheel with radius 15.0 m is turning about a horizontal axis through its center; the linear speed of the passenger rim is constant and equal to 9 m/s.What are the magnitude and direction of... more
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Physics B Physics Physics C

10/30/21

Observe two coins dropping from a table
"Coin A will be dropped from the table while the other one will be projected from the table."1. Place two coins on the edge of the table at the same distance above the floor.2. Drop the two coins... more
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Physics B Physics

10/21/21

Physics questions please help

Mr. Herbert recorded the total flight time to be exactly 6.5 seconds using your knowledge of physics find out the following about the rocket :A) the max heightB) find the initial velocityC) Find... more
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Physics B Physics Physics C

10/20/21

Please helppppppppppppppp
A small box is held in place against a rough vertical wall by someone pushing on it with a force directed upward at 29 ∘ above the horizontal. The coefficients of static and kinetic friction... more
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Physics B Physics Physics C

10/19/21

Please help ............Thank you
The terminal velocity of a 3×10^−5 kg raindrop is about 9 m/s . Assume a drag force FD=−bv. a) determine the value of the constant b (one sig figure) b)Determine the time required for such a drop,... more
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Physics B Physics Physics C

10/12/21

Helpppppppppppppppp
A 0.170-kg baseball traveling 34.0 m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 15.0 cm . Part A What was the magnitude of the average force applied by the... more
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Physics B Math Calculus Physics

10/11/21

The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/s , they then have the same kinetic energy.
The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/sm/s , they then have the same kinetic energy. What were the... more
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Physics B Physics Physics C

10/06/21

Please help. altitud and radio
The space station revolves around the Earth in a circular orbit, with a speed of 27,570 km / h and a normal acceleration of 8.64 m / s2. What is the radius of its orbit? What is its altitude above... more
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10/05/21

The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/s , they then have the same kinetic energy.
The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/sm/s , they then have the same kinetic energy. What were the... more
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10/05/21

The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/s , they then have the same kinetic energy.
The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/sm/s , they then have the same kinetic energy.What were the... more
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Physics B Math Calculus Physics

10/04/21

A 850-kg sports car accelerates from rest to 95 km/h in 5.0 s

A 850-kgkg sports car accelerates from rest to 95 km/hkm/h in 5.0 ss . What is the average power delivered by the engine?Express your answer to two significant figures and include the appropriate... more
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10/04/21

The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/s , they then have the same kinetic energy.
The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/sm/s , they then have the same kinetic energy. What were the... more
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10/04/21

What is the minimum work needed to push a 850 -kg car 750 m up along a 9.5 ∘ incline? Ignore friction. Express your answer to two significant figures and include the appropriate units.
What is the minimum work needed to push a 850 -kgkg car 750 mm up along a 9.5 ∘∘ incline? Ignore friction.Express your answer to two significant figures and include the appropriate units.
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Physics B Math Calculus Physics

10/04/21

A 850-kg sports car accelerates from rest to 95 km/h in 5.0 s .
A 850-kgkg sports car accelerates from rest to 95 km/hkm/h in 5.0 ss . What is the average power delivered by the engine?Express your answer to two significant figures and include the appropriate... more
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Physics B Math Calculus Physics

10/04/21

A spring with k = 55 N/m hangs vertically next to a ruler. The end of the spring is next to the 18-cm mark on the ruler.
A spring with kk = 55 N/mN/m hangs vertically next to a ruler. The end of the spring is next to the 18-cmcm mark on the ruler. If a 3.0-kgkg mass is now attached to the end of the spring, and the... more
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Physics B Math Calculus Physics

10/04/21

The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/sm/s , they then have the same kinetic energy.

The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/sm/s , they then have the same kinetic energy. What were the... more
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Expert Answers •1
Physics B Math Calculus Physics

10/04/21

What is the minimum work needed to push a 850 -kg car 750 m up along a 9.5 ∘ incline? Ignore friction. Express your answer to two significant figures and include the appropriate units.
What is the minimum work needed to push a 850 -kgkg car 750 mm up along a 9.5 ∘∘ incline? Ignore friction.Express your answer to two significant figures and include the appropriate units.
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Physics B Math Physics Maths

10/04/21

Calculate the force of Earth's gravity on a spacecraft 12,800 km (2 Earth radii) above the Earth's surface if its mass is 1250 kg .
Calculate the force of Earth's gravity on a spacecraft 12,800 kmkm (2 Earth radii) above the Earth's surface if its mass is 1250 kgkg .
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10/02/21

What is the rocket’s maximum range?
A soccer ball is kicked with an initial velocity of 45 km/h at an angle of 55° above the horizontal. What is the rocket’s maximum range?
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10/02/21

A projectile is fired at an upward angle of 45.0 ∘ from the top of a 170 m cliff with a speed of 180 m/s . What will be its speed when it strikes the ground below?

A projectile is fired at an upward angle of 45.0 ∘ from the top of a 170 m cliff with a speed of 180 m/s . What will be its speed when it strikes the ground below? (Use conservation of energy and... more
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10/02/21

A projectile is fired at an upward angle of 45.0 ∘ from the top of a 170 m cliff with a speed of 180 m/s .

A projectile is fired at an upward angle of 45.0 ∘ from the top of a 170 m cliff with a speed of 180 m/s . What will be its speed when it strikes the ground below? (Use conservation of energy and... more
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10/02/21

The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/s , they then have the same kinetic energy.
The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 6.0 m/s , they then have the same kinetic energy.What were the... more
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Expert Answers •1

10/02/21

What is the minimum work needed to push a 850 -kg car 750 m up along a 9.5 ∘ incline? Ignore friction. Express your answer to two significant figures and include the appropriate units.
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