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Q1. A fuel pump sends gasoline from the car's fuel tank to the engine at a rate of 6.34 x 10-2 kg/s. The density of the gasoline is 735 kg/m3, and the radius of fuel line is 3.19 x 10-3 m. What is the speed at which the gasoline moves throughout the fuel line?
Q2. Two children setup a "telephone" by placing a long, slender aluminium (Y = 6.9 × 1010 N/m2) bar that has a length of 6.1-m between their two houses. To communicate, the child taps a coded message on one end. How long do the sound waves take to reach the other end?
Megan's mass is 27 kg. She climbs the 4.8 m ladder of a slide and reaches a velocity of 3.6 m/s at the bottom of the slide. How much work was completed by friction on Megan? Imagine that air resistance is negligible.
Write down the expression that shows the pressure
What average force athletes legs apply on a ground
A 2.30-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.40sin (2pi*t), where F is in newtons and t is in seconds. The force constant of the spring is 35.0 N/m.
A stone takes 0.28s to travel past a window 2.2m tall. From what height above top of the window did the stone fall?
What should be the least kinetic energy in electron volts
Mike pulls a sled across level snow with force of 235 N along a rope that is 35.5° above the horizontal. If the sled moved the distance of 75.0 m, how much work did Mike do.
How much heat does it take to enhance the temperature of 8.00 of an ideal monatomic gas from 22.0 to 61.0 if the gas is held at constant volume.
Analyse the instantaneous velocity of the car
Determine the greatest vertical displacement of the pendulum (height). The mass lost by the rocket during these 30.0 is negligible. What impulse does an engine impart to the rocket?
Charge A and charge B are 2.5 m apart. Charge A is 1.4C and charge B is 2.5C. Charge C, which is 2.0 C, is situated between them and force on charge C is zero. How far from charge A is Charge C.
Compute the magnitude of the average acceleration
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