Which of the following is not a unit of power? O J/s O N'm O horsepower Watts

Q: KE (J) 그아 6 4 2 + t(s) 250 50 100 150 200

A: Power is defined as work done per unit time i.e. P = W∆t by the work-energy theorem change in…

Q: What is the minimum work that a motor must do to lift a 50 lb object from the floor to a height of…

A: CONCEPT: We know,              work done = force x displacement      So, work done  W=F×d Where,…

Q: Two people climb up the same ladder in 25 seconds. The person with the mass will have more power. 1)…

A: Given,  Two people climb up the same ladder in 25 sec. We need to find,  Mass relation with power…

Q: Which situation would produce 200 Watts of power 2 jof work done in 100 s 100j work done in 2 s…

A: Given power(p) = 200 watts

Q: power is developed? 7750 W 12.4 W 17.6 W 122 W llit a crate is 310 J. If the crate is lifted in 25s,…

A: Work required (W) = 310 J Time (t) = 25 s

Q: how much work can 150 w motor do in 3 mintutes

A: (given) Power (P) of motor = 150 watt time (t) = 3 minutes = 180 sec Power: Power is the rate at…

Q: What is the minimum power output of a small electric motor that lifts a 0.060 kg mass through 5.0 m…

A: Given data as per the question Mass to be lifted =0.060 kg

Q: A man is pushing backwards on a rolling cart on an icy surface to stop it.  As they both slide to…

A: Work done is defined as the dot product of force vector and displacement vector. When the force…

Q: Problem 5: A horizontal force of magnitude 19.9 N pushes a box along a horizontal floor at a…

A: Given value--- force = 19.9 N. constant speed = 6.99 m/s. We have to find--- power ?

Q: If the same amount of work is performed in three times the amount of time, what is true about the…

A:

Q: Calculate the power a car engine contributes to speeding the 1900 kg car up to a highway speed of…

A: Consider the initial speed of the car be v0, the mass of the car be m, the final speed of the car be…

Q: The amount of energy needed to power a 0.10-kW bulb for one minute would be just sufficient to lift…

A: Given: Power = 0.1 kW = 100 W Time = 1 minute = 60 sec Mass of object = 1 kg

Q: If the total work done on an object is positive. -its potential energy will increase -its kinetic…

A: Work done is the scalar product of force and displacement. A moving object possesses kinetic energy…

Q: In order for work to take place O the energy present must be related to the movement of the object O…

A: Write the expression or the work done. Here, F represents the applied force, d represents the…

Q: a small electric motor lifts a 12.5 kg mass to a height of 4.20 in 75.0 s. what is the power output…

A:

Q: What is the minimum power output of a small electric motor that lifts a 0.150 kg mass through 2.0 m…

A: Given data:  Mass (m)= 0.150 lg Height (h) = 2.0 m Time (t) = 40 s Required: Power (P)

Q: How much power is needed to lift a 75-kg student vertically upward at a constant speed of 0.33 m/s?…

A:

Q: Explain, in terms of the definition of power, why energy consumption is sometimes listed in…

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Q: Is the energy bar for a firefighter sliding down a fire pole from the second floor to the ground

A: The potential energy of an object above height h from the ground is given by mgh.

Q: All the units below are units of power except: O Horsepower O Watts O Newtons O Joules per second O…

A: In the given question, We have to discuss about units of power. Then We choose the correct option.

Q: If 39000 J of work is done on a 520 kg object to accelerate it from rest, then use the Work-Energy…

A:

Q: If a runner has a power output of 1,500 W over 10.0 s, then how much work does she do? 150 J 15,000…

A: Given data:  Power output (P) = 1500 W Time (t) = 10.0 s Required: Work done (W)

Q: According to the work-energy theorem, the amount of net work done on an object is equal to the…

A: If v is the final velocity, u is the initial velocity, s is the distance travelled and a is…