How much force is needed to accelerate a 50 kg skier at 3 m/sec?

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: 60 kg person walking at 1 m/sec bumps into a wall and stops in a distance of 2.5 cm about 0.05 sec.…

A: Given data: Mass (m) = 60 kg Initial speed (u) = 1 m/s Final speed (v) =0 Time (t) = 0.05 s Need to…

Q: A 4 kg block requires 6 m to slide to a stop.If the force of friction was 22 N, what was the initial…

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Q: A car has a momentum of 12 000 kg ·m/s, and its mass is 1.5 t (ton). What is its speed?

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

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Q: How fast will it be going when it hits the ground

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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: 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: if mr.berkley is able to slow down his car from 21 m/s to 8m/s while covering 25 meters, what was…

A: Let the mass of the car be m. Apply the third kinematic equation.

Q: The net force on a 10 kg object is 40 N.  If it is initially moving at 18 m/s, how long will it take…

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Q: A hockey puck is hit on a frozen lake and starts moving with a speed of 14.1 m/s. Five seconds…

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Q: A bird is flying at 4 m/s that encounters a breeze blowing at 4 m/s in the same direction, what is…

A: Given- Speed of bird (VB) = 4 m/s, Velocity of blowing wind (VW) = 4 m/s

Q: How much horizontal force would be required to make a 15 kg box accelerate at 1.2 m/s if friction…

A: Mass- 15 kg a = 1.2 m/s2  Frictional force = 18 N

Q: How much force is needed to acceleration a 60kg skier at 2 m/s^2?

A: Mass of body is 60 kg and acceleration is 2 m/s^2.

Q: A 1000-kg car traveling at 70 m/s takes 3 m to stop under full braking. The same car under similar…

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Q: A 15 kg bag goes from 12 m/s to 27 m/s in 6 seconds. What is the average force applied on the bag in…

A: Given data: Mass (m) = 15 kg Initial velocity (v0) = 12 m/s Final velocity (v) = 27 m/s Time…

Q: If the mass of the object in the figure is 5kg, what is its acceleration?

A: The net force(F) acting on the object is:- F=F3-F1-F2F=60-30-20F=10N (towards left)

Q: how much force does it take to push a body weighing 20kg on a 0.45 friction factor substrate to…

A: Analyze the FBD of the given system.

Q: I don’t know the answer

A: Given:Mass of the block (m) = 3 kgForce applied on the block (F) = 2 NForce applied for time (t) = 6…

Q: To be able to accelerate a 2500 kg truck from 10m/s to 20 m/s in 2.0 s, force should be

A: Mass of the truck m=2500 kg Initial velocity of the truck u=10 m/s Final velocity of the truck v=20…

Q: How large a net force is required to accelerate a 1,703-kg SUV from rest to a speed of 12.9 m/s in a…

A: Net Force required....Fnet= 624.149 Newtons

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: How much force does it take to bring a 1,200 N car from rest to a velocity of 40 m/s in 6 seconds?

A: Force is the product of mass of the body and the acceleration to keep it in motion. F=ma It is…

Q: A skier with a mass of 80 kg skied down a mountain run with an elevation change of 4.25 m, what was…

A: The given values are, m=80 kg∆h=4.25 mv=?

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: A block slides down a smooth inclined plane with an acceleration of 4.9 m/s? .If the block weighs 49…

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Q: Convert 4. 00 km-h/kg into m*s/g 6/82 14400 m-s/g m-s/g 144 m-s/g 1440 m-s/9 O 14.4 m-s s/g

A: We are given a quantity with its units and we are required to convert it into some other mentioned…

Q: 145 grams. If it has a momentum of 5.8kg • m/s, how fas

A: Given values:- Mass of a baseball,(m)=145 gm=0.145 kg ----(1) Momentum,(p)=5.8 kg-m/sec -----(2) Let…

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

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Q: In 5 seconds a hawk can go from 10m/s to 20m/s. How much force does it need to apply to reach the 20…

A: given: u = 10 m/sv =20 m/s∆t = 5s m =0.3 kg

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: The weight (in newtons) of 600 g of grapes on the Earth is

A: The mass of grapes on Earth is given as Acceleration due to gravity is given as

Q: In raising a 6000 N piano with a pulley system, the workers note that for every 3 m of rope pulled…

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Q: A braking force of 5000 N is applied to a 150 kg go-kart over 2.2 seconds, bringing it to a stop.…

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Q: what is the change in velocity of a 22kg object that experiences a force of 15N for 1.2 seconds?

A: mass = 22 kg F = 15 N t = 1.2 seconds

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 force put onto a 4100 g box that has an acceleration of 1.1 m/sº?

A: Given data: Mass of box (m) = 4100 g = 4.1 kg Acceleration (a) = 1.1 m/s2 Force (F) =?

Q: How much force will you have to exert in order to push a 2700 N piano up a ramp that is 2.5 m high…

A: Height of ramp= 2.5 m Ramp length= 7 m Weight of piano (W)= 2700 N Let the ramp is inclined at Angle…

Q: A man weighing 500 Newtons exerts a force of how many Newtons?

A: According to Newton's third law, there is an equal and opposite reaction for every action.  The…

Q: A car of mass 1,323 kg accelerates from rest to 21.8 m/s in 5.31 s. How much force was required to…

A: From Newton's 2nd law of motion, we know that, if an object has mass m and acceleration a then the…

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: What momentum does a car of mass 1,490 kg have if it's traveling at 8.6 m/s? Submit your answer in…

A: The mass of the car is m = 1490 kg. The velocity of the car is v = 8.6 m/s.

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

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Q: How much force was required to slow the car down to 2 m/s^2 if the mass of the car is 8000kg?

A: Given data: Magnitude of acceleration (a) = 2 m/s2 Mass (m) = 8000 kg Required: Force (F)

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!