Discover the average power delivered by the cars engine

Assignment Help Physics
Reference no: EM13673978

A car of mass 1440 kg traveling at 28 m/s is at the foot of a hill that rises 115 m in 3 kilometres. At the top of the hill, the speed of the car is 8 m/s. Discover the average power delivered by the car's engine, neglecting any frictional losses.

Reference no: EM13673978

Questions Cloud

A transmitting antennae for radio wave : A transmitting antennae for radio wave of 5 wavelengths is located on land 190 above the edge of the ocean. An airplane flying just above the surface of the ocean 20,000 meters away from the antennae cannot receive signals and thus does not reflect s..
Part of the truck-trailer combination on the bridge : A truck tractor pulls two trailers, one behind the other, at a constant speed of 100 km/h. It takes 0.555s for the big rig to totally pass onto a bridge 450 m long. For what duration of time is all or part of the truck-trailer combination on the brid..
A film of oil lies on wet pavement : A film of oil lies on wet pavement.  The refractive index of the oil surpasses that of the water.  The film has the minimum nonzero thickness such that it appears dark due to destructive interference when viewed in red light (wavelength = 660 nm in v..
Man is standing on the right end of the cart : A 1000 kg cart is rolling to the right at 3.5 m/s. A 70 kg man is standing on the right end of the cart. What is the speed of the cart if the man abruptly starts running to the left with a speed of 10 m/s relative to the cart?
Discover the average power delivered by the cars engine : A car of mass 1440 kg traveling at 28 m/s is at the foot of a hill that rises 115 m in 3 kilometres. At the top of the hill, the speed of the car is 8 m/s. Discover the average power delivered by the car's engine, neglecting any frictional losses.
Oefficient of friction among block and horizontal surface : The 2 kg block in the figure slides down a frictionless curved ramp, starting from rest at a height of h = 2 m. The block then slides d = 11 m on a rough horizontal surface before coming to rest. What is the coefficient of friction among the block an..
Decide the spring constant : A rifle fires a 1.26 x 10-2-kg pellet straight upward, as the pellet rests on a compressed spring that is released when the trigger is pulled. The spring has a negligible mass and is compressed by 7.92 x 10-2 m from its unstrained length.
What is the radius of the wheel : During 0.25 s, a wheel rotates during an angle of 3.62 rad as a point on the periphery of the wheel moves with a constant speed of 2.23 m/s. What is the radius of the wheel?
Subway car placed in tunnel will execute harmonic motion : Consider drilling a tunnel among any two points on the Earth’s surface (this tunnel does not necessarily pass during the center of the Earth). Assuming that the tunnel is frictionless and that the Earth has uniform density:

Reviews

Write a Review

Physics Questions & Answers

  What force must be applied to the small piston

A dentist's chair of mass 234.0 kg is supported by a hydraulic lift having a large piston of cross-sectional area 1596.0 cm2. What force must be applied to the small piston

  Equation for the magnetic flux through a coil

Write an equation for the magnetic flux through a coil as a function of the strength of the magnetic field and the angle between the area vector and the magnetic field direction? For what angle is this expression a max? Min? Zero?

  How far does the ball go before your dog catches it

You roll a ball along the floor for your dog to chase after and catch it. You roll the ball with an initial speed of 15 m/s, how far does the ball go before your dog catches it

  What is the speed of the electrons emitted by this device

electrons produced by a certain device are observed to travel in a circular path with a radius of 2.50 cm when placed

  How fast could it go and in what direction would it travel

A paper airplane is given a push so that it could fly 7m/s 35° North of East, How fast could it go and in what direction would it travel

  How much charge passes during the starter motor

How much charge passes during the starter motor

  How many seconds will he win or lose by

Having taken a nap under a tree only 20 m from the finish line, Rabbit wakes up to find Turtle 19.5 m beyond him, grinding along at 1/4 m/s. How many seconds will he win or lose by

  Calculate the total number of electrons

Calculate the total number of electrons bombarding the target of an X-ray tube operated at 100 mA for 0.1 seconds

  What is the magnetic field in the solenoid

Copper wire 0.4 mm in diameter is tightly wounded into a long solenoid and a 3.6A current passes through it. What is the magnetic field in the solenoid

  What is the focal length of the objective

a 184x astronomical telescope is adjusted for a relaxed eye when the two lenses are 1.20 m apart. what is the focal length of the objective

  What volume of water can be heated in one hour

One way to decrease your use of fossil fuels is to heat your water via solar radiation. A solar water heater runs cold water through dark, radiation absorbing tubing.

  A concave mirror has a focal length of 341 cm the distance

a concave mirror has a focal length of 34.1 cm. the distance between an object and its image is 52.8 cm. find a the

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd