The total current flowing through this circuit is 3 A 02A 6 A 4 A

Q: Power is defined as the energy used divided by the work the work done times the distance of motion…

A: According to question we need to define power .

Q: A 1,019 kg car with 230.5 horsepower is driving up a 498.4 meters mountain. How long (in seconds)…

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Q: 81. Work is a transfer of * a. energy O b. force C. mass O d. motion

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Q: Find the scalar product of the vectors in Figure.

A: The scalar product of two vectors is obtained by multiplying their magnitudes with the cosine of the…

Q: What is work

A: Work is said to be done when a force applied to an object moves that object. Work is defined as a…

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: 1. What amount of work is done when a 5 newton object is moved a distance of 10 meters?

A: Given data:   Force (F) = 5 N Distance (d) = 10 m Required: Work done (W)

Q: 8. What is the kinetic energy of a 1200 kg car travelling 90 km/h?

A: Given: The mass of the car is 1200 kg. The speed of the car is 90 km/h.

Q: 17. Which of the following must occur for work to be done on an object? O the object must rotate the…

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Q: If the scalar product of two vectors is equal to the magntitude of their vector product, what is the…

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Q: A piano with a mass of 137 kg is lifted 10 m above the ground in 5 s by a crane. What is the power…

A: mass of piano m = 137 kg height lifted h =10 m time t=5s

Q: What work is done by a force of 20 N acting through a parallel distance of 8 meters. What force will…

A: Given: Work is done by a force of 20N acting through a parallel universe of 8 meters. To…

Q: If a pigeon sits on top of a building and has a potential energy of 249 J, if the pigeon has a mass…

A: Introduction: Potential Energy: It is stored energy of position possessed by an object. There are…

Q: 6. A 2,500 kg airplane can accelerate on the runway from rest to 250 mph in 15 seconds. What is the…

A:

Q: 28. How much work is done lifting a 3-m chain over the side of a building if the chain has mass…

A: Required : Work done in lifting a chain.

Q: A computer uses 1.62 x 10^4 J in one hour. What is the power used?

A: The energy usage of device is 1.62 ×104J in one hour.    Power is the rate with respect to time at…

Q: 3. What is the gravitational potential energy of a 4 kg bowling ball 1 m above the ground?

A: The formula for gravitational potential energy(P)= mass(m) x gravitational acceleration(g) x…

Q: How much work is done by a machine to lift 750 kg of bricks to a height of 8.2 m?

A: Work done = gain in the potential energy by the bricks = m×g×h Here, m= 750 kg            g= 10 m/s2…

Q: When is potential energy largest? Why?

A: Potential energy of any object is the energy possessed by the object by virtue of position (or…

Q: A stone is dropped from the top of a tower and falls to the ground below. If the stone hits the…

A:

Q: A 1,367 kg car with 234 horsepower is driving up a 202.7 meters mountain. How long (in seconds) will…

A: Given data:  Mass (m) = 1367 kg Power (P) = 234 hp Height (h) = 202.7 m Required: Time (t) taken to…

Q: +5 V 1 kN

A: According to the Ohm's law the potential difference V across a resistor of resistance R  carrying a…

Q: 33. Energy is a _________ quantity.   a. Scalar b. Vector

A: Energy is defined as the capacity of doing work.

Q: 5. Calculate the work being done on 2000 N crate, being lifted 2 meters off the ground by a crane.…

A:

Q: 4. An object with mass 23kg falls from 249m and hits the ground. What is its PE before it begins to…

A: Given data: The mass of object is m=23 kg. Height from ground is h=249 m.

Q: 10. How much work is done to accelerate a 2,500 kg car from rest to a velocity of 27 m/s?

A:

Q: A 20,744kg railroad freight car travels on a level track at a speed of 6.1m/s. It collided and…

A:

Q: A 300W computer is used for 90 minutes. What is the energy used in kWh? How much will it cost to run…

A: Given Data: The power used by the computer is: P=300 W The time duration in which P amount of power…

Q: If you have an average of 6.5 hours of online class per day for 204 days of school per year, how…

A: Given: The power consumed by the laptop is 90 W. The time is 6.5 hr for 204 days. The rate of cost…

Q: A book on a shelf has potential energy of 200J and two times the mass of a book next to it. What is…

A: Given data The gravitational potential energy for the book is given as PEh = 200 J. The…

Q: What is the work done by the walking man that uses a power of 24 J/s in 45 sec? handwriting answers

A:

Q: How much work is done by a girl weighing 500 N in climbing 5.0 m up a rope in the school gym?

A: Given data:  Weight (mg) = 500 N Height (h) = 5.0 m Required: Work (W)

Q: A lion with a mass of 116.3kilograms which started from rest speeds up to 47 meters per second in a…

A: Given: mass, m = 116.3 kg  Initial speed, u = 0 m/s (as starts from rest ) Final speed, v= 47 m/s…

Q: 35 mph in horsepower  35mph in watts

A: mph is the units of speed which is miles per hour and horsepower is the unit of power  also watt is…

Q: A lamp consumes 500 J of electrical energy in 20 sec. What is the power of the lamp?

A: Power of the lamp is calculated by the formula:   Power = Energy consumed per unit time   Power =…

Q: Power: A kilowatt-hour is equivalent to 1000 W. 3600 J 3,600, 000 j/ s . 3, 600, 000 J 3600 j/s

A: Answer:- 3,600,000 J  A kilowatt- hour = 3,600,000 J    Because    1kilowatt - hour = 1 kilowatt × 1…

Q: A car moving at 60 km/h skids 20 m with locked brakes. How far will the car skid with locked brakes…

A: Write the given values with the suitable variables. v1=60 km/hl1=20 mv2=120 km/h Here, v1, l1, and…

Q: INC Two identical ring of radii 1 cm are separated by a distance much greater than their radi as…

A:

Q: 34

A: Given information: Here, a is the edge length of the square base, h is the pyramid’s height, and σ…

Q: A force of 50 lb is required to hold a spring that has been stretched from its natural length of 2…

A: Applied force is F = 50 lb Natural length of the spring is x1 = 2 ft First stretch length of the…