373 Answered Questions for the topic physics C

Physics C Physics Physics B

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 C Physics Physics B

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 C Physics Physics B

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 C 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 C Physics Physics B

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 C 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 C 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 C 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 C 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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Physics C 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 C 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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Expert Answers •1

10/02/21

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 .
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Expert Answers •1

10/02/21

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 .
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Expert Answers •1
Physics C Physics Physics B

10/01/21

projectile motion ( pls help me)

An object is projected with a speed of 28.0 m/s at an angle of 60 degrees to the horizontal.(b) Determine1.   The time taken to reach the greatest height.2.   The greatest height reached.
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09/29/21

Describe the motion of the marble. Be sure to explain fully, addressing the relevant underlying material.
A spring loaded cannon on wheels is traveling along a flat track at constant speed. It shoots a marble directly upward into the air. Describe the motion of the marble. Be sure to explain fully,... more
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Physics C Physics Physics B

09/29/21

Which object will hit the ground first, the one projected horizontally or the one dropped?
At the instant a horizontally projected object is launched, an identical object is dropped. Which object will hit the ground first, the one projected horizontally or the one dropped? Be sure to... more
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