A 20kg box is lifted 350m above the ground in 5 minutes.

Q: A 9.6 kg ball is rolling at a speed of 3.8 m/s when it encounters a ramp. How high can it roll up…

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Q: what is the potentil engery for a 0.5 kg ball lifted 2 m above the ground?

A: Given, mass m = 0.5 kg height h = 2 m We know the expression for potential energy is  P.E=mgh

Q: the weight in newtons of 300 g of grapes on the earth is?

A:

Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/swhen it hits the ground,…

A: Given: mass m = 6kg final velocity v = 5 m/s To find: height, s=??

Q: Ten seconds after starting from rest, a freely falling object will have a speed of about what?

A: Given,Acceleration of gravity, g = 9.81 m/s2Time of free fall, t = 10 sInitial velocity, u = 0

Q: A 1000kg car traveling at 35 m/s takes 9 m to stop under full braking The same car under similar…

A: Given data *The mass of the car is m = 1000 kg *The initial speed of the car is u = 35 m/s *The…

Q: 5 ft 3 ft 2 ft- 4 ft - A |B 5 3 1213 4 5 500 lb 200 lb 260 lb

A: The resultant force in the y direction is

Q: An airplane starts from 12.7 m/s and accelerates at 7.3 m/s. What is its speed at the end of a 392 m…

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Q: How large a force is required to accelerate a 1600 kg car from rest to a speed of 25 m/s in a…

A: Given: Mass, m = 1600 kgFinal speed, v = 25 m/sInitial speed, u = 0 m/sDistance, s = 200 mFind:…

Q: A Yamaha bike accelerates from the stoplight (from Om/s) at 8 meters per second per second, its…

A: Given data:  Initial velocity (V0) = 0 m/s Acceleration (a) = 8 m/s2 Time (t) = 6 seconds Required:…

Q: A passenger automobile is advertised as having a fuel economy rating of 28 mi/gal for highway…

A: Fuel economy rating of a vehicle = 28 migal

Q: How much force does a 15-kg leg exert during running if the person has a 2-m stride and runs at a…

A: Mass of the leg (m) = 15 kg Speed (v) = 8 m/s Energy = 1/2 m v2  .       E = (1/2 )× 15 × (8)2…

Q: What is the mometum of 2000 kg car traveling at 35 m/s?

A: The momentum of an car is calculated by using the formula p=mv , where m=2000 kg is the mass of the…

Q: A bottle falls from a place with a height of 1200m,  assuming g=10m/s^2 if there was no air…

A: Given data:  Initial velocity (Vi) = 0 m/s, dropped Height (h) = 1200 m Acceleration (g) = 10 m/s2,…

Q: An object at rest may have __________. hint:g=10m/s/s. a. speed b. velocity c. acceleration…

A: An object at rest does not have speed or acceleration.

Q: if a 6kg mass is dropped from a height of 10 meters, what is the velocity of the mass right before…

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Q: A stone was dropped from rest, and it hit the ground 3.0 seconds after release. Air drag was…

A: Given data The time taken by the stone after releases are t = 3 s. The initial velocity of the…

Q: A pitcher claims that he can throw a 0.145 kg baseball with as muchmomentum as a speeding bullet.…

A: Given data:  Mass of baseball (m1) = 0.145 kg Mass of bullet (m2) = 3.00 g = 3.00×10-3 kg Speed of…

Q: If a .300KG rubber ball is dropped from a 3m wall. How fast is it right before it bounces back?

A: Given data The mass of the rubber ball is m = 0.3 kg The height of the wall from where the ball is…

Q: A 2000-kg car traveling at 21 m/s takes 44 m to stops under full braking. The same car under similar…

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Q: A 3,500-lb car starts to roll from the top of a 500-ft hill which is 700 ft long. How fast is it…

A: Given: The mass of the car is 3500 lb. The height of the hill is 500 ft. The length of the path is…

Q: If a metric ton is 1.000x103 kg, how many 85kg people can safely occupy an elevator that can hold a…

A: Write the maximum mass hold by the elevator. mhold=1×103 kg   Write the mass of the single person.…

Q: A lift is moving downward with uniform acceleration to measure the acceleration. A person in the…

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Q: A car is moving at a speed of 6 meters/Second In 5 Seconds, he increases its speed to 16…

A: We know thatv=u+atWherev=final velocityu=initial velocitya=accelerationt=time taken

Q: A 1200 kg car is moving at 30 m/s and comes up to a hill. How high can the car go up the hill before…

A: To solve the question, we will use the conservation of energy.

Q: A ball is dropped from the top of a tall building. The displacement of the ball after 1.5 seconds is…

A: Given: The time duration is 1.5 s.

Q: A 39.5 kg mg child on a sled slides down a hill reaching a speed of 8.92 meters per second how high…

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Q: What is the speed at impact of a stone that is dropped from a height of 60 meters? *

A: The third equation of motion is v2 = u2 + 2 g h where, u is the initial velocity, v is the final…

Q: A physics book slides off a horizontal tabletop with a speed of 1.10 m/s. It strikes the floor in…

A: Given data:  Book slides off  Initial velocity (V0) = 1.10 m/s Time (t) = 0.350 s Required: The…

Q: A ball is dropped from a building 100m high. If the mass of the ball is 10 grams, after what time…

A:

Q: A 1kg cannon ball is fired horizontally with an initial velocity of 5m/s. If the cannon was atop a…

A: Given: Mass of a canon m = 1 kg. Velocity of firing canon v = 5 m/s. height of canon h = 20 m.

Q: A 0.15 kg ball is dropped. How fast will it be moving after it has fallen 1.5 meters?

A: Given Data : The mass of the ball is given as m = 0.15kg. The distance travelled by the ball during…

Q: How much does a 0.25kg apple have with an acceleration of 9.8m/s

A: Given data:  Mass (m) = 0.25 kg Acceleration (a) = 9.8 m/s2 Required: Force (F)

Q: A 75 kg bicyclist is traveling with some speed. She approaches a hill that is 56 m high. How fast…

A: Given: Mass, m = 75 kg Height of the hill, h = 56 m Final velocity of bicyclist, v = 1 m/s  Clearly,…

Q: An 1700 keg elevator has a cable that can support 25,000 N of force. If it carries ten people at 50…

A: Given, mass of an elevator, m = 1700 kg maximum tension, T = 25000 N mass of the person, m = 50 g

Q: A 5.2 kg ball is rolling at a speed of 6.3 m/s when it encounters a ramp. How high can it roll up…

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Q: A stalled 1,000 – kg car needs a push. Starting at rest, how hard do you have to push to get it up…

A: Given, Initial velocity, u=0 m/s Final velocity, v=10 m/s Time, t=100 s Mass, m=1000 kg

Q: What is the acceleration of a 15Kg box sliding down a 30 degree (to horizontal) slope if the Uk is…

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Q: A ladybug weighing 28.5 mg flies by your head at 4.09 km/h.

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Q: A ball is dropped from the top of a tall building. The displacement of the ball after 1.5 seconds is…

A: Given data: Time t =1.5s

Q: A 2-kg ball traveling eastward at 5 m/s hits a 5-kg ball moving at 1 m/s eastward.  The 2-kg ball…

A: Solution: Given that A 2-kg ball traveling eastward at 5 m/s hits a 5-kg ball moving at 1 m/s…

Q: A stone is dropped from the top of the tower and reaches ground is 4 s. Find the height of tower.

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Q: A student slides a 2,50 kg textbook across a table, and it comes to rest after travelling 1.15 m.…

A: Given: Mass of the book: m = 2.50 kg Displacement of the book: d=1.15 m The friction coefficient…

Q: A chain lying on the ground is 10 m long and its mass is 80 kg. One end of the chain is raised to…

A: Given:mass of the chain, m = 80 kgtotal length of the chain, l = 10 mheight raised, h = 6 mAsked:a)…

Q: A car is moving at 30.0 km/h when it accelerates at 2.0 m/s for 3.6 s. What is the car's final…

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Q: If a baseball (m=.450 kg) is thrown up with a velocity of 8 m/s, how many meters high will it reach?

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Q: A stone is dropped from the edge of a cliff and hits the ground below in 3 s. The hight of the cliff…

A: Given data:  Initial velocity (V0) = 0 m/s Time (t) = 3 s Required: Height of the cliff

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!