A car generating a power of 98234.82watts is traveling on a road with a coefficient of kinetic friction of 0.051. If the velocity of it upon reaching its destination is 25.34m/s and has been accelerating at a rate of 4.97m/s^2, what is the mass of the car? Show Illustration

Q: A 24.0 kg object is initially traveling at 3.50 m/s. Exactly one minute later the object is…

A: According to work-energy theorem, work done on object during one minute is equal to the change in…

Q: While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body…

A: The expression for the power is as follows: P=WΔtP=W0mΔNΔt…

Q: A 2500-N force is used to pull a cart at 30° against the horizontal in 10.0 minutes. If the power…

A:

Q: A sled and rider with combined mass of 85 kg are perched at the top of a hill. The top of this hill…

A:

Q: Not from book (1): Magnetar. On December 27, 2004, astronomers observed the greatest flash of light…

A:

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: A mover pushes a 260 kg piano on wheels up a ramp 7 meters long onto a stage 1.75 meters above the…

A: Work done -  If we concentrate just on the mover. We only take into account the force it applies…

Q: Water flows over a dam at a rate of 66,000 kilograms/second at a hydroelectric plant. a) How much…

A: We are given mass of water flowing over dam per second. We are also given the height through which…

Q: (a) What is the kinetic energy of a 1000 kg automobile traveling at 0.44 km/hr? (b) How much work…

A: Given: mass,  m = 1000 kg  speed,v = 0.44 km/h = 0.122 m/s

Q: A girl on skateboard (total mass of 56.1 kg) is moving at 14.1 m/s at the bottom of a long ramp. The…

A: Mass of the girl M=56.1 kg Initial speed u=14 m/s Final speed v=0 Angle of inclination θ=19.490…

Q: a helicopter lifts a 100kg crate straight up via cable, with an acceleration of 0.8m/s. if the crate…

A: mass = 100 kg acceleration = 0.8 m/s2distance = 5 m Apparent weight = m(g+a) = 100 (10+0.8) = 1080 N…

Q: Some electric power companies use water to store energy.Water is pumped from a low reservoir to a…

A:

Q: A motorcyclist runs out gas on a level road 250 m from the gas station. she pushes the 220 kg…

A:

Q: Suppose that the average U.S. household uses 12600 kWh (kilowatt-hours) of energy in a year. If the…

A: (a). the average rate of power consumed by the house is

Q: 68. What is the cost of operating a 3.00-W electric clock for a year if the cost of electricity is…

A: Given data: Power (P) = 3.00 W Time (t) = 1 year Cost of electricity = $0.0900 per kW.h Required:…

Q: 1. Boxing gloves are padded to lessen the force of a blow. The glove and face compress 7.5000 cm…

A:

Q: In the figure, a 3.97 g ice flake is released from the edge of a hemispherical bowl whose radius ris…

A: Mass of the ice ( m ) = 3.97 g = 3.97 × 10-3 kg  Radius of the bowl ( r ) = 13.7 cm = 0.137 m  The…

Q: A 20 kg roller-coaster car is moving at 25.1 m/s along a straight horizontal track. What will its…

A:

Q: Calculate the potential energy of a 430g book being help at 1.9m off the ground.

A: The expression for the potential energy is, PE=mgh here, m is the mass, h is height and g is the…

Q: (a) What is the kinetic energy in joules of a 1122 kg automobile traveling at 88.9 km/h? (b) How…

A: Given data:  Mass (m) = 1122 kg Initial Speed (v) = 88.9 km/h Final velocity (Vf) = 0 m/s Required:…

Q: How much work can a 1950 Watt motor do in 15 min? Express your answer in Joules.

A:

Q: How much work (in Joules) is done by a 32N force acting over a distance of 8m?  Assume the force is…

A: The force applied to the object is, F=32 N The distance traveled by the object is, d=8 m

Q: 80. Go When an 81.0-kg adult uses a spiral staircase to climb to the second floor of his house, his…

A: The expression for the potential energy for the adult will be, ∆PE=mghf-h0hf-h0=∆PEadultmadultg

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.