. A dropped object in free fall   a. has an increase of acceleration of 9.8 m/s each second b. falls 9.8 m during the first second c. falls 9.8 m each second d. has an increase in speed of 9.8m/s each second

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Q: A body falls freely from rest. Find (a) the distance it falls in 3 s, (b) its speed after falling…

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Q: cheetah spots a gazelle 60.0 m away.  The cheetah accelerates at 7.5 m/s2 toward the gazelle.  The…

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Q: 14. A high speed train traveling 98 m/s comes to a stop. If the train put on it's brakes one mile…

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Q: 14. A particle moves with an initial velocity vo and retardation av, where v is its velocity at any…

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Q: 4. An astronaut drops a rock on an asteroid. The rock is released from a height of 1.45m above the…

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Q: 5. The motion of a particle is defined by the relation x = 6t4 − 2t3 −12t2 + 3t + 3, where x and t…

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Q: 1. A stone is thrown downward from a tower with an initial velocity of 3 m/s. The height of tower is…

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Q: 2) A police car signals a motorcycle 100m meters away to stop. Since the motorcycle did not stop,…

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Q: 1. A bowling ball starts from rest and moves 300 m down the gutter in 22.4 seconds. a) What is its…

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Q: 1) A car traveling with a velocity 80 km/hour slows down at a constant 0.8m/sec2 just by "letting up…

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Q: A potted plant rests on a window frame above the ground.  The potted plant is off the frame and…

A: The time taken by a potted plant to reach the ground surface is given as t=1.93 s

Q: # 4. An unmarked police car traveling a constant 95 km/h is passed by a speeder traveling 135 km/h.…

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Q: 16) A 15 kg rock is dropped from rest on the earth and reaches the ground in 1.75 s. When the same…

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Q: 5. An object released from rest, falls toward the earth with an acceleration of 10 m/s. Fill in the…

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Q: 1. An object was released from rest at a certain height. Then it falls freely for 5 seconds. a.…

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Q: 1. A bullet is moving at a speed of 367 m/s when it embeds into a lump of moist clay. The bullet…

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Q: 1. The two graphs below are for two different particles. State why both particles have a constant…

A: Introduction: Velocity: The velocity of the object is defined as the rate change of position with…

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Q: A box slides down a ramp. It starts from rest near the top and reaches a velocity of 5.7 m/s at the…

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Q: 5. If the roller coaster starts from rest at A and its speed increases at a, = (6- 0.06s) m/s²,…

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Q: I need help on p 2.22. I am so confused.

A: Given information:Acceleration of the car (a) = 7g m/s2 = 7 × 9.81 m/s2 = 68.67 m/s2.Initial…

Q: 7 A cyclist is moving along a straight road from A to B with constant acceleration 0.5 ms-2. Her…

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Q: _15. A bicycle camper rides from his starting point to his first campsite one day, then continues to…

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Q: 8. In a competition, an athlete threw a flying disk 139 meters through the air. While in flight, the…

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Q: 5.An object accelerates uniformly from rest at a rate of 1.9m/s right for 5.0s. Find a) The…

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Q: The first astronaut has landed on Mars. Conducting some physics experiments, she drops a hammer from…

A: Height=h=2.01m Time=t=1.04 s

Q: 5.What is the velocity of a rocket ship that accelerates at 40 m/s2 for 3.0 minutes? 6.Determine…

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Q: 3. A driver, driving a car with speed of 6.8m/s², saw a tree falling on the road. He applied the…

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Q: 1. If a stone is thrown vertically upward from the surface of the moon with a velocity of 10 meters…

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Q: How much time is needed by a car to accelerate from 15.0 m/s to 35.0 m/s if it has a constant…

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Q: Starting from rest, an airplane needs 500 meters of the runway, and the time required is 25 seconds.…

A: Given data:  Initial velocity (v0 ) = 0 m/s Distance (x) = 500 m Time (t) = 25 s Required: The speed…

Q: you walk from your house to a local coffee shop to get an espresso. You average  a speed of 2.4 m/s…

A: Average speed = total distance travelled /total time taken

Q: 52. A car starts from rest and accelerates to a speed of 60 mph in 12 sec. It travels 60 mph for 1…

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Q: 1) A truck initially at rest at a traffic light accelerates at 1m/s when the light turns green.…

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Q: 2) A car traveling with a velocity 80 km/hour slows down at a constant 0.8m/sec2 just by “letting up…

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Q: 16. A train, initially stationary, has a constant acceleration of 0.50 m/s². (a) What is its speed…

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Q: You throw a ball straight up. The ball leaves your hand at a height of 2.00 m above the ground with…

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Q: A sprinter accelerates at 2.5 m/s^2 for the first 4 s of a 100 m race, then keeps going at steady…

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Q: A blue object and a green object are initially at the same position at t 0. The Blue object moves…

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Q: 8. In a competition, an athlete threw a flying disk 139 meters through the air. While in flight, the…

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Q: (a)  vx =   (b)  vy =   (c)  vz =   (d)  ax =   (e)  ay =…

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Q: 90. An ambulance driver is rushing a patient to the hospital. While traveling at 72 km/h, she…

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Q: 5. Two trains, one travelling at 60 mi/hr and the other at 80 mi/hr, are headed toward one another…

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.