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Physics

08/30/22

The radius of earth is 3950 miles and oceans cover 69.5% of its surface to an average depth of 12100 feet.

The radius of Earth is 3950 miles, and oceans cover 69.5% of its surface to an average depth of 12100 feet. Calculate the volume of Earth’s oceans in cubic miles, meters cubed, and gallons. Express... more

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Physics

08/30/22

Find the magnitude of the total displacement, in meters, of the rollercoaster

A roller coaster first travels down a straight track at a distance of 42.5 m at an angle of 55.0O below the horizontal. It then continues along a straight horizontal section of the track for a... more

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Physics

08/30/22

Grace is driving her Ford at 75.0 km/h, when she sees a stop sign, 45.0 m ahead, she slows down the car at a rate of 4.50m/s^2. Would Grace be able to stop the car at the stop sign? Explain

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Physics Math

08/29/22

Help me solve this problem!!

A man on a road trip drives a car at different constant speeds over several legs of the trip. He drives for 55.0 min at 75.0 km/h, 17.0 min at 90.0 km/h, and 35.0 min at 45.0 km/h and spends 40.0... more

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Physics

08/29/22

Which of the following charge is not possible to occur?

a) 1.6 x 10^-19Cb) 3.2 x 10^-19Cc) 3.6 x 10^-17Cd) 3.6 x 10^-22CI'm getting D as the answer, is it correct?

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Physics

08/29/22

A thoroughbred racehorse slows down to a stop from 17 m/s, decelerating at a rate of -7.56 m/s2. How long does it take for the horse to slow down?

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Physics

08/28/22

In which case was more work done on the box by the 4.0 N force?

A box is supported by a 4.0 N vertical force and carried 2.1 m horizontally across a room at constant speed. Then, the same box is pushed 2.1 m horizontally across a smooth table (smooth enough to... more

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Physics

08/28/22

What is the net force?

A runner with a mass of 75 kg accelerates from 0 to 7 m/s in 4 s. Find the net force on the runner using the alternate form of Newton's second law.Answer should be in N.

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Physics Math Mathematica

08/28/22

Need help with physics problem

Charge q2 in the figure is in equilibrium. Assume q = 5.4 nC. (+)q1 q ... more

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Physics Math Mathematica

08/28/22

i need help with physics

Two point charges q and 4q are at x=0 and x=L, respectively, and free to move. A third charge is placed so that the entire three-charge system is in static equilibrium.What is the x-coordinate of... more

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Physics Math Mathematica

08/28/22

physics problem

A 0.11 g honeybee acquires a charge of +25pC while flying. The earth's electric field near the surface is typically (100 N/C, downward).What electric field (strength) would allow the bee to hang... more

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Physics Math Calculus Mathematica

08/28/22

Help needed with physics problem

What is the net electric force on charge B in the figure? Suppose that a = 1.6 cm and b = 0.60 cm.^A | (+) 1.0 nC|||| a||B | (-) -2.0 nC|| b|C| (+) 2.0 nC(Express your answer to two significant... more

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Physics

08/28/22

Time and free fall

A helicopter is ascending vertically with a speed of 5.40 m/s. At a height of 105 m above the Earth, a package is dropped from the helicopter. How much time does it take for the package to reach... more

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Physics

08/28/22

Object at rest and fall

An object starts from rest and falls under the influ- ence of gravity. Draw graphs of (a) its speed and (b) the distance it has fallen, as a function of time from t = 0 to t = 5.00 s. Ignore air... more

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Physics

08/28/22

Speed and height reached

A ball player catches a ball 3.4 s after throwing it vertically upward. With what speed did he throw it, and what height did it reach?

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Physics

08/28/22

Free falling objects

A stone is dropped from the top of a cliff. It is seen tohit the ground below after 3.55 s. How high is the cliff?

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Physics

08/28/22

Magnitude of acceleration

A car traveling at 95 km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.80 m. What was the magnitude of the average acceleration of the driver... more

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Physics

08/28/22

Constant velocity and acceleration

A sports car moving at constant velocity travels 120 m in 5.0 s. If it then brakes and comes to a stop in 4.0 s, what is the magnitude of its acceleration (assumed constant) in m/s2, and in g’s (g... more

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Physics

08/27/22

Travel time and speed

A car slows down uniformly from a speed of 28.0 m/s to rest in 8.00 s. How far did it travel in that time?

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Physics

08/27/22

.....Mechanicsl

A speeding boda boda cyclist rides through 50 km/he zone at 70 km/he without noticing a stationery police patrol pick up. The patrol officer immediately heads after the boda boda cyclist,... more

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Physics

08/27/22

Acceleration and time

A car accelerates from 14 m/s to 21 m/s in 6.0 s. What was its acceleration? How far did it travel in this time? Assume constant acceleration.

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Physics

08/26/22

Physics 1 question

A bookstore offers 95 micromiles of free bubble gum tape with every purchase over $50. When he makes a purchase, how much free gum does he get, as measured in centimeters?

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Physics

08/26/22

Projectile motion

A ball is thrown from near the ground at an angle of 45 degrees with the ground. The initial speed is 40 m/s. a) What is the magnitude and direction of acceleration when the ball reaches it's max... more

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Physics

08/26/22

My question was a little long, so it is in the description! PHYSCIS 2 QUESTION

Two charges, q1 = +4.0 μC and q2 = -9.0 μC, lie along the x axis in a vacuum. Find the position of the third charge so that the net force on it is zero, if the two charges are 20 cm apart? Assume... more

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Physics

08/26/22

I have a question on acceleration, my name is Michael

If a hockey player starts form rest and accelerates at a rate of 2.1 m/s2 how long does it take him to skate 30 m

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The radius of earth is 3950 miles and oceans cover 69.5% of its surface to an average depth of 12100 feet.

Find the magnitude of the total displacement, in meters, of the rollercoaster

Grace is driving her Ford at 75.0 km/h, when she sees a stop sign, 45.0 m ahead, she slows down the car at a rate of 4.50m/s^2. Would Grace be able to stop the car at the stop sign? Explain

Help me solve this problem!!

Which of the following charge is not possible to occur?

A thoroughbred racehorse slows down to a stop from 17 m/s, decelerating at a rate of -7.56 m/s2. How long does it take for the horse to slow down?

In which case was more work done on the box by the 4.0 N force?

What is the net force?

Need help with physics problem

i need help with physics

physics problem

Help needed with physics problem

Time and free fall

Object at rest and fall

Speed and height reached

Free falling objects

Magnitude of acceleration

Constant velocity and acceleration

Travel time and speed

.....Mechanicsl

Acceleration and time

Physics 1 question

Projectile motion

My question was a little long, so it is in the description! PHYSCIS 2 QUESTION

I have a question on acceleration, my name is Michael

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