Which of the following is the SI unit of power? kg*m?/s3 kg*m2 kg*m2/52 kg*m/s

Q: A 1000 Kg truck has a power output of 40. 0 kilo watts. Find the time (seconds) needed to accelerate…

A: The truck’s power can be given as, Here, W and t represent the work and time, respectively. The…

Q: A pitcher throws a baseball (m = 0.107 kg) at a batter at 42.5 m/s. Calculate the kinetic energy of…

A:

Q: A 5.5 kg boulder rolling down a hill has kinetic energy of 250 J. How fast is it moving? 64 m/s 10…

A: Given that,                    mass of boulder rolling down (M) :-  5.5 kg…

Q: A mover pushes on a heavy crate with a force of 655 N for a distance of 6 meters in 9 seconds. Find…

A: The rate of doing work is called power.  P = Worktime

Q: A chauffeur driving a 1200-kg car increases her speed from 30 m/s to 40 m/s in 5 s. Determine the…

A: Power is defined as the work done per unit time: P = work donetime The work done to increase the…

Q: A 1800 kg car accelerates from rest to a velocity of 18.0 m/s in 8s. Calculate the power output of…

A: Given, mass (m) =1800 kg velocity (v) = 18 m/s time (t) = 8 secs

Q: he kinetic energy of a body is proportional to its weight and to the square of its velocity. An 8…

A:

Q: compact car can climb a hill in 10 s, the top of the hill is 30 m higher than the bottom, and the…

A:

Q: A lawn roller is pushed 15 meters by a force of 100 N. If the person has used 85 W, how long did it…

A:

Q: A motor having a power rating of 500 W is used to lift an object weighing 100 N. How much time does…

A: Given data:  Power, P = 500 W   Weight, W = 100 N   distance, d = 10 m

Q: 10. A 3.0 kg toy falls from a height of 1.0 m. What will the kinetic energy of the toy be just…

A: Law of conservation of energy: Total energy of an isolated system remain constant.  Here  P. E.…

Q: SI unit of power is the Watt (W).

A: This question is based on Unit dimensions .

Q: The work done in pushing a TV set a distance of 3 m with an average force of 10 N is A) 3 J.…

A: Given data:  Distance (d) = 3 m Force (F) = 10 N Required: Work (W)

Q: A force of 500 N created 2000 W of power. What is the velocity of the applied force? v = 400 m/s v…

A: Power is the work done per unit time Power = Work/Time We know that, Work = Force × Distance Then,…

Q: How much power is required to increase the kinetic energy of an object from 897 J to 2000 J in a…

A: This theorem states that the net change in the kinetic energy of a body is equal to the net work…

Q: A particle of mass 2.5kg moves according to the equation x(t)=10t?, where x is in meters and t is in…

A: Given The mass of the particle is m = 2.5 kg. The equation for the distance is x(t) = 10t2. The…

Q: 8. An electric toy car weighs 150.0 g and travels at 0.50 km/h. What is its kinetic energy? 0.5 km/h…

A: Given that mass of the electric toy car and speed of the electric toy car.Then We have to determine…

Q: what is the work in moving object with displacement - 61 + 2 62 - 5 63 (m) force F = 2 61 + 4 82 -…

A:

Q: A runner with mass 140 kg run with speed 40 km/h on a wet road with a friction. Find the friction…

A: Given: Mass M = 140 kg Speed v = 40Km/h

Q: 10. A 3.0 kg toy falls from a height of 1.0 m. What will the kinetic energy of the toy be just…

A: Given data *The mass of the toy is m = 3.0 kg *The given height is h = 1.0 m *The acceleration due…

Q: A car is moving with a kinetic energy of 80 J and is slowed down and stopped in a distance of 0.05…

A: Given data The kinetic energy of the car is KEi = 80 J. The final velocity of the car is zero as it…

Q: A weight lifter raises a 1093 N weight a vertical distance of 1.80 m in a time interval of 1.95 s.…

A:

Q: 10. A horizontal force with a magnitude of 3.0 newtons applied to a 7.0-kilogram mass moves the mass…

A: Part (10): Given:The mass of the object is 7 kg. The displacement of the object is 2 m horizontally.…

Q: What will be the power of a girl who can run with a velocity 4 m/s for 20 seconds. The mass of the…

A:

Q: Four objects having varied masses are initially at rest at different heights above the ground. The…

A: Speed can be found using kinematic equation of motion  v2=u2+2as Given : Initial velocity u = 0  As…

Q: 3) 60° A man of mass 50 kg moving up an inclined plane pulls a block of mass 25 kg with constant…

A: Scenario - Man of certain mass pulls up a box of certain mass against gravity and friction. Given :…

Q: What is the velocity of a 2800 kg car whose kinetic energy is 250 J? O 13.36 m/s O 14.04 m/s O 17.43…

A: Given: The mass of the car is 2800 kg. The kinetic energy of the car is 250 J.

Q: 16. A person runs at a speed of 4.50 m/s uses 760 J of energy. Solve for the person's mass. (ans:…

A:

Q: An object has a kinetic energy of 89.96 J and a mass of 59.76 kg, how fast is the object moving? No…

A: Given : K = 89.96 J m = 59.76 kg

Q: Which of the following statements correctly describes the relationship between an objects kinetic…

A:

Q: Which of these quantities are vectors? a)  Potential Energy b)  Kinetic Energy c)  Momentum d)…

A: We know that, vector have magnitude and direction. Four quantities are given:- Potential energy-…

Q: Suppose Elisha is moving a 30-kg box of books. Compute for her power output in the following…

A: Given: Mass of box of books that Elisha is moving, m=30 Kg To determine power output  a. She exerts…

Q: Which term refers to the transfer of energy by a force acting on an object as it is displaced? a.…

A: Given data: A force is acting on the object Object is displaced

Q: choose the right answer which can affect the amount of kinetic energy of a body a. mass and…

A: The kinetic energy is the quantity of a body that is possessed by the body due to the velocity…

Q: A force of 4.66 x 109 N was required to move a building block 1.65 x 107 mm. Calculate how much…

A: Force (F) = 4.66×109 N Distance moved (d) = 1.65×107 mm time (t) = 11.2 seconds

Q: boy of mass 35 kg climbs a vertical rope 7 meters in length in 10 seconds with constant velocity.…

A: Given data:   Mass of boy (m) = 35 kg Vertical height (h) = 7 metres Time (t) = 10 seconds Required…

Q: Which of the following is/are vector quantity? Temperature Work Kinetic Energy Momentum Power Select…

A: Vector quantity has magnitude and direction.

Q: A crane lifts a 268 kg crate a height of 12.4 m in a time of 80.0 s at a constant speed. What is the…

A: Given data:  Mass (m) = 268 kg Height (h) = 12.4 m Time (t) = 80.0 s Required: The power (P)

Q: How long does it take for a forklift with a useful power output of 980 watts, to raise a 100-kg…

A:

Q: The kinetic energy of a motorcycle and rider is 41,312 Joules. If their mass is 346kg, what is their…

A: Formula of kinetic energy of an object is as follows; K=12mv2…

Q: What is the power developed by the student running the stairs?  1N = 0.225 lb 1 hp = 746 watts…

A:

Q: Which of the following physical quantity measures the rate of work done?   A) Power B) Momentum…

A: Power is defined as the rate of work done. it is the work done in unit time.The SI unit of power is…

Q: m 100 kg 1.0 m

A: The given data are: M=100 kgh=1 mt=0.9 s Here, M denotes the heavier mass, h denotes the height, and…

Q: Which of the following is not an acceptable form of units for the concept of power? i) W ii) - kg-m2…

A: Power is the transfer of energy or the conversion of energy per unit of time.

Q: How long does it take for a forklift with a useful power output of 980 watts, to raise a 100-kg…

A: Given data: Power (P) = 980 watts Mass (m) = 100 kg Height (h) = 2.0 m Required:  Time (t)

Q: What amount of work should be performed to make a moving body with a mass of 6 kg if increase its…

A: Mass of body = m= 120 kg Initial velocity of mass = v1 = 3 m/s Final velocity of mass = v2 = 7 m/s…

Q: Which of the following is an acceptable unit for kinetic energy? N т ON m m O kg m O kg

A:

Q: Yuri, a Russian weightlifter, is able to lift 260 kg 2.10 m in 2.20 s. What is his power output?

A: Given Mass m = 260 kg Height y = 2.10 m Duration t = 2.20 s