4. You roll a ball along a table. It rolls at a speed of 2 m/s for 6 seconds. How far did it roll? Show your work.

Q: momentum

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Q: Potential Energy.

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Q: A box is lifted vertically 13.51 m and is then held there. The box has a weight of 29.72 N. Ignoring…

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Q: Help PLESE show all the work

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Q: Rey is exerted a 500-N force to push the table across the 5meter floor. If he finished it in 10…

A: Given  Force, F = 500 N  Distance, D = 5 meter  Time ,T = 10 sec

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: Figure 8

A: center of mass, rcm=∫rdm∫dm ∫rdm for the rod= ∫0lxλdx location of center of mass of rod,…

Q: A 0.11 kg ball is about to roll off the edge of a 12.51 m high table. What is its current PE? No…

A: Given, m = 0.11 kg height = 12.51 m g = 9.8 m/s2

Q: A toy car is rolling with a velocity of 3 m/s. It has 9 Joules of kinetic energy. What is its mass?

A:

Q: Where will it hit the

A: Given; A small block of mass, m=100 git is pressed under compressionis=5 cm Spring constant,k=100…

Q: What is its mechanical

A: Given data;  machine effort of 10 kgfit is used this effirt to lift the load is;    load=100 kgfFind…

Q: What will be the potential energy of 1kg kept at height of 5 m. mass Take g 10 m/s? %3D

A:

Q: The firework in the previous problem was a dud (did not explode), so it falls back to the ground.…

A: The acceleration due to gravity,

Q: SHOW WORK, answers are in the picture!

A:

Q: Solve the following with illustartion. Solution should be clear and systematic.  A 95 kg…

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Q: A racing car has a mass of  1600 kg. What is its kinetic energy if it has a velocity of 60 m/s?

A: Given data: The mass of the racing car is, m= 1600 kg The velocity of the car is, v= 60 m/s Formula…

Q: 500 750 750 500 www Y. ww 25 Q

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Q: A ball is thrown vertically up with a velocity of 27.7 km/hr at the edge of a 41.9-m cliff.…

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Q: The formula for kinetic energy is KE = 2 m• v². In this formula, KE stands for kinetic energy (in…

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Q: Marta did the following on her homework paper:      (3-y)2 32-y2 9-y2   Explain what is wrong…

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Q: What do you mean by an ideal machine, how does it differ from a practical machine?

A: Ideal machines are hypothetical machines which does not exist in real and they can have 100%…

Q: You exert a force of 500N on a cart while friction exerts an opposing force of 200N. The cart…

A:

Q: Joe twirls a marbl

A: 2.6 m/s

Q: 5. A fan turns off when rotating at 850 rpm and makes 1,350 revs until it comes to a complete stop.…

A: The equation of motion is given by ω2=ω02+2αΔθ Here, ω is the final angular speed, ω0 is the initial…

Q: Is work on paper able to be shown? I am still a little confused.

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 5. A stone is dropped from the top s. How high is the cliff?

A: Given that,Intial speed,u=0msTime taken,t=3.55 sgravitational acceleration,g=9.8 ms2 (downwards…

Q: This is how I did it. Where did I go wrong?

A:

Q: Potential Energy

A:

Q: 14. Find the Kinetic Energy of a meterorite with a mass of 250 kg that hits earth at 50.4 km per…

A: 14. The expression for kinetic energy of meteorite is,

Q: 5 kg 30°

A: 4, FBD

Q: Convert 55 mph to km/hr. Show all work below.

A: Given data:  Speed (v) = 55 mph Required: Speed in km/hr

Q: Aski starts from rest and slides down a 24 incline 80 m long

A: Given: The inclined angle is θ=24o. The distance down the slope is s=80m. The coefficient of…

Q: he work done

A:

Q: Two blocks are released from the top of a building and fall through the same height. Block A falls…

A: Let the mass of both the blocks be same and =m, The height of the top of building be =h, and g be…

Q: If an object on the ground is in motion and its     ["", "", "", ""]            increases, so does…

A: The energy, when an object has due to its motion is called kinetic energy. The kinetic energy of an…

Q: A gardener is using a tool as shown in the figure to pull weeds. 60cm 24 cm

A: Given, Gardner applies a torque in order to pull a weed, τ = 1.77 N

Q: In the figure, the rock weighs 210 Ib and is lifted 1 ft by the lever. F Fulcrum 3F

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Q: Solve this exact problem with the exact same steps just replace the 902 with 1017 and replace 8…

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Q: Imagine lifting your textbook into the air and dropping it on to a desktop. Describe all the energy…

A: When we lift a textbook, the kinetic energy from the movement of the hand gets converted into the…

Q: 3. The skateboarder in the image on the right has 100%... a. Potential energy.. b. Kinetic Energy…

A: In the absence of friction, the mechanical energy is conserved. Expression for the conservation of…

Q: 18. Potential energy is energy possessed by an object due to its

A: The potential energy of an object is the amount of energy stored due to its position relative to the…

Q: ラ 9. つ ←ム→

A: SOlution: to find the force require to move the rod at the constant velocity

Q: One horsepower is equals to?

A: horsepower is refers to the power of an engine produces example for horsepower is electrical motors…

Q: A 40 kg girl and a 50 kg boy face each other (at rest) on friction-free roller skates. The girl…

A:

Q: A baseball is thrown at 20 m/s. What is its speed in km/h?

A:

Q: 5. You roll a ball along a table. It rolls for 8 seconds and travels 2 meters. How fast was it…

A: Velocity Of the ball is (V) = Distance covered by the ball/ Time taken by the ball V = 2/8 m/s

Q: Working of ballpoint pen?

A: The principle behind the working of a ball pen is surface tension and gravity. The ink gets spread…