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A gasoline engine by an efficiency of 0.40 generates 1800 W of power. If a liter of gasoline has an energy content of 3.7 × 107 J, how many liters of gasoline does the engine consume every hour?
If that ball had been released from the same height, but this time above the surface of the moon, how long would it have taken for the ball to hit the ground
An arrow is fired with a speed of 20.0 m/s at a block ofStyrofoam resting on a smooth surface. how far into the block does the arrow penetrate
The Sun radiates energy at a rate of regarding 4 x 10^26 W (a) At what rate is the Sun's mass decreasing? (b) Estimate how long the Sun could last if it radiated persistently at this rate. Mass of the sun is 1.99 x 10^30 kg.
Ships A and B leave port together. For the next two hours, What is the distance between the two ships two hours after they depart
An object is made of glass and has the shape of a cube 0.12 m on a side, according to an observer at rest relative to it. However, an observer moving at high speed parallel to one of the object's edges and knowing that the object's mass is 2.8 kg ..
Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.
when responding to sound the human eardrum vibrates about its equilibrium position. suppose an eardrum is vibrating
For a hydrogen atom, determine the ratio of the ionization energy for the n = 4 excited state to the ionization energy for the ground state
The density of an ideal gas is found to vary with temperature according to the equation d=PM/RT, where P and M were held constant in this case.
a near-sighted person might correct his vision by wearing diverging lenses with focal length 55 cm. when wearing his
If a sound wave traveles throught soft tissue a a velocity of 1.54 mm/microsecond for 2203ms. How far has the sound wave traveled using the echo-ranging formula d=ct
A 1600 kg car drives around a flat 210m -diameter circular track at 25m/s. What is the magnitude of the net force on the car
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