The force needed to accelerate a stationary 1000 kg racing car to a speed of 20 m/s in 10 seconds is

Q: A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, the maximum…

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Q: A cheetah accelerates constantly from rest to catch a gazelle. The cheetah covers a distance of 40 m…

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Q: A bowling ball weighing 61.5 N initially moves at a speed of 4.00 m/s. How long must a force of 42.5…

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Q: A rock of mass m falls from the top of a cliff and it experiences a significant amount of air drag…

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Q: A rope exerts a constant horizontal force of 280 N to pull a 50kg crate across the floor. the…

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Q: A man is texting on his phone as he drives his car at 40 kmph, he suddenly notices a child is…

A: Given : m1 = 4000 kg m2 = 60 kg Total mass m = 4060 kg u = 40 km/h = 11.11 m/s v = 0 t = 2 s

Q: Somone is standing on a piece of cardboard holding a wire that is attached to a vehicle.  The…

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Q: A rocket sled accelerates to 41 m/s. When the rocket engine stops, the sled skids along its rails.…

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Q: m = 8 kg v0 = 6 m/s F = 12 N the box reaches 10 m in 1.4 seconds If you wanted the box to reach a…

A: m = 8 kg v0 = 6 m/s x = s = 10 m t = 0.761 s F = ?

Q: A child riding a bicycle has a total mass of 30.6 kg. The child approaches the top of a hill that is…

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Q: A child of mass 26 kg , is sliding down a water-slide that has an angle of 32 deg. If the water…

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Q: When a constant force is applied to an object the acceleration of the object varies inversely with…

A: From the problem we can say that F = k m a where k is a constant.

Q: An automobile of mass 3000 kg moving at 30 m/s is braked suddenly with a constant braking force of…

A: Given Mass (m)    = 3000 kg Speed (u)   = 30 m/s Force (F)     = 10000 N Find how far does the car…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!