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A car with mass of 1000.0 kg accelerates from 0 m/s to 40.0 m/s in 11.0 s. Ignore air resistance. The engine has a 22% efficiency, which means that 22% of the thermal energy released by the burning gasoline is converted into mechanical energy.
(a) What is the average mechanical power output of the engine? [[(kW)]]
On planet Tehar, the free-fall acceleration is the identical as that on Earth, but there is also a strong downward electric field that is uniform close to the planet's surface.
A car is driving 22.7m/s flat ground drives off 42.3 m high cliff. How much time does it take to reach the ground.
A beam of X-rays having a wavelength of .09nm impinges on an unknown crystal. What is the spacing between the atomic plates
A turtle ambles lesisurely- as turtles tend to do- when it moves from a location with position vector r1x = 1.07 m, find the magnitude of the turtle's average velocity
A 1.0 mCi source of Phosphorus called P-32, a beta emitter, is imlanted in a tumor where it is to administer 36 Gy. how long should the source remain implanted
A large balloon of mass 233 kg is filled with helium gas until its volume is 327 m3. Assume the density of air is 1.29 kg/m3, Calculate the buoyant force acting on the balloon
Water leaks out of a dam through a small hole 4.2 m below the level of the water behind the dam. Find the speed of the water emerging from the hole
You're designing a speaker, and you want the tweeter to handle almost everything above 1100 Hz, and woofer to handle almost everything below Hz. Find the capacitance that satisfies the design criteria
A baseball batter swings the bat and applies a force of 36.38 N to the ball for a time of 0.31 s. what is the impulse on the ball
A rocket is out in space, far away from any planet. At a certain time, it has a mass of 2.8 x 105 kg, most of which is fuel. what is the new mass of the rocket
A speedboat moves on a lake with initial velocity vector v1,x = 9.61 m/s and v1,y = -2.71 m/s, Find the speedboats final speed
q1. using the equation fm v2r for a force an object in circular motion. find the radius r of motion of a m1.6 kg ball
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