If an object falls from the top of the building, what will its speed be after 2.60 seconds?

Q: starting from rest,the distance a freely falling object will fall in 0.5 sec is   A. 1m   B. 10m…

A: When drooped from rest initial velocity of the object is zero. Thereby applying kinematical relation…

Q: A body of mass m at rest on the top of a smooth incline slides down. If the height of the incline h…

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Q: A car travelling at a velocity of 25 m/s and suddenly stopped after skidding a distance of 100 m.…

A: Given: Initial velocity of car, u=25 m/s Distance covered after skidding, d=100 m   To determine: 1…

Q: You stand at the top of a cliff while your friend stands on the ground below you. You drop a ball…

A: Suppose the height of cliff is h in meters. Initial speed  (u)=0 m/s (Because dropped) Time (t) =…

Q: A railway engine pulls a wagon of mass 10000 kg along a straight track at a steady speed. The pull…

A: Scenario - Wagon is pulled by an engine at constant speed at first. Later the force is increased…

Q: The safe take-off velocity of a particular passenger plane is set at 210km/h . Find the minimum…

A: Safe take-off velocity of a particular passenger plane,(v)=210 km/Hr ----(1) [Given] The distance of…

Q: A car starts from rest and goes down a slope with a constant acceleration of 5 m/s2. After 10 s the…

A: In the given problem the acceleration is constant so the Newton's law of motion can be used to…

Q: M -)30° M=0.45

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Q: A person starts pedaling a bicycle from rest, and accelerates uniformly over time of 7.34 seconds…

A: given t= 7.32 s s= 35m by formula we have  s= ut+12at2 where u=0, since the person starts from rest.…

Q: A rock is dropped from rest. How long will it take to fall a distance h? Ignore air resistance. 2h…

A: Given data: Initial velocity (v0) = 0 m/s Height = h Air resistance is negligible  Required:  The…

Q: An object moves the first half of the total distance with a speed of 2 m s-1. If the average speed…

A: x1=Distance traveled in first halfx2=Distance traveled in second halfx=Total distance…

Q: A stone is thrown vertically up from the top of a tower with a certain initial velocity. It reaches…

A: Time required for the first stone to reach the ground t1=5.64 s Time required for the second stone…

Q: A body is dropped from rest and falls freely. Determine the position and speed of the body after…

A: The speed of a freefalling body can be found using the formula: v=gt and the position with respect…

Q: A car is travelling with a velocity of 108 km/h. The brakes are applied at a rate of -0.6 m/s.…

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Q: A 5 kg toy car initially travelling at 5 m/s goes down a slope with a height of 1.5m. A toy block…

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Q: A car is moving with velocity of 20m/s.The driver suddenly applies brake and the car produces an…

A: Use formula:  s = ut + 1/2(at2) Here, s -is distance covered  u- initial velocity  a -is…

Q: If no brakes are used immediately, an automobile with a starting velocity of 30 mph or 44 feet/s…

A: Given The initial velocity of the car (U) = 44 ft/s Time taken by the driver to react = 3 sec…

Q: A car accelerates uniformly from rest to a speed of 60.0 0mi / h in 12.0 s. what is the distance the…

A: Given:                          u=0                     v= 60 mi/hr= 60×0.447 m/s…

Q: A block of mass 3.47 kg starts from rest and travels in a straight line. It reaches a distance 2.67…

A: Initial velocity u = 0  Final velocity v = 7.59 m/s  Displacement = 2.67 m

Q: An apple drops from the tree and falls freely. The apple is originally at rest a height 3 m above…

A: The problems of motion are usually solved using kinematic equations. To find the acceleration and…

Q: A ship is being launched slides down the ways with the constant acceleration. She takes 4 seconds to…

A: Time taken to cover 1m = 4s Velocity ( v ) = dt =14=0.25m/s

Q: A friend claims that a bullet fired by a high-powered rifle travels for many meters in a…

A: We can conclude the all bullets drop the same vertical distance in equal times. This is because…

Q: A book is knocked off a bench and falls vertically to the floor. If the book takes 1.0s to fall o…

A: *We'll answer only the first three sub-parts since the sub-parts to be answered were not specified.…

Q: How long does it take a hiker to walk 7.0 miles if her average speed is 2.0 miles per hour

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Q: car goes from 5 m/s to 22 m/s in a distance if 320. what is the acceleration

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Q: Describe the motion of a person not wearing a seat belt if the car stops suddenly-- Select one: O a.…

A: Given situation: A person is not wearing seat belt traveling in a car and suddenly car stops. We…

Q: A stone dropped into a well takes 1.5 seconds to reach the water. Ignoring the effects of air…

A: Given Data: The time required for the stone to reach the water is, t=1.5 s The acceleration due to…

Q: A car starting from rest moves up an 8% grade at a uniform acceleration attaining a velocity of 67…

A: The car moves up on 8% grade so angle formed is tanθ =8100θ =tan-1(0.08)θ=4.574° Acceleration of the…

Q: The Earth has a very small mass and a large acceleration. B Air resistance gets in the way. Answer…

A: Inertia is the inherent property in a body by which it opposes any change in state of motion.…

Q: A box was dropped from the top of a building. What happens to its a. displacement b. velocity c.…

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Q: A stone is thrown vertically upward with a speed of 60 ft/s from a bridge. On the way down, the…

A: Velocity, u = 60 ft/s To convert ft/s into m/s divide the speed value by 3.281. Velocity, u = 18.288…

Q: A hockey puck sliding on smooth ice at 4 m/s comes to a 1-m-high hill. Will it make it to the top of…

A: The kinetic energy is given by  K = 0.5 mv2  The potential energy is given by  U = m g h  where, m…

Q: Raindrops fall vertically downward at a speed of 4.57 m/s. A car drives forward at a speed of 20.4…

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Q: Two cars are driving at 25 mph and one of them hits a brick wall and stops immediately. The other…

A: Two cars are driving

Q: starting from rest, a rocket is launched upward (a=4.20 m/s^2). At t=6.85 sec, the motor shuts off…

A: The rocket will reach the maximum height in two stages. In the first stage while accelerating and in…

Q: How far (displacement) would a 4.0 N force need to push a 2.0 kg object to accelerate it from rest…

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Q: A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4 m. Determine…

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Q: A van moves with a constant speed of 32 km/h. How far can it travel in 1 hour

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Q: A skydiver jumps from a high-altitude balloon.  1.4 s later another skydiver jumps.  How far apart (…

A: Given data:  Initial velocities of skydivers is zero. Second skydiver jumps 1.4 s later Required:…

Q: A girl on top of a building drops a baseball from rest at the same moment a boy below throws a golf…

A: 3.969m far will the baseball have dropped when it passes the golf ball. So your answer is 3.969m.

Q: A cheetah can maintain it's maximum speed of 100km/h for 30sec. What minimum distance must a gazelle…

A: If gazelle have to escape from cheetah then, at the end of 30 s gazelle have to be ahead of cheetah.…

Q: What magnitude of force is required to cause a 200kg car to change speed of 24 m/s to 8 m/s in a…

A: Given : Mass of a car (m) = 200 kg Initial speed (vi) = 24 m/s Final speed (vf) = 8 m/s Time (dt) =…

Q: A person is falling from a certain height. Which of the following is likely to happen?   if he…

A: If he falls on concrete floor then there's sudden change in his momentum resulting in higher…