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Solve the following problems given below:
Problem I: The density of air is 1.2 kg/m3. The dimensions of this classroom are approximately 15 m x 8 m x 4 m. How many kilograms of air are in this room?
Problem II: Water and oil are filled in tube as shown. The density of water is 1000 kg/m3 and the density of oil is 850 kg/m3. What is the ratio hwater/hoil?
I need expert help to solve the above problem.
A fire engine moving to the right at 40 m/s sound its horn (frequency = 500 Hz) at the two vehicles shown in the figure. The car is moving to the right at 30 m/s, while the van is at rest. (a) What frequency is heard by the passenger in the car?
A billiard ball (the 8-ball) rests directly in front of the side pocket. Pool-hand Peta calls the shot into the side pocket to the right and shoots it in. Find the fraction of energy remaining after the collision
Calculate the distance from the Earth for a geosynchronous satellite orbit. Express the result in units of the radius of the Earth.
Please explain in detail and step by step a 1.0kg block is held at rest against a spring with a force constant k = 740N/m. Find d such that the block's speed after crossing the rough patch is 2.4m/s
Assume you doubled the mass of a clock‘s pendulum (including the rod and the weight at the end) while keeping its dimensions the same. Would the clock run fast or slow?
q1. a 14 g bullet travelling at 247 ms is fired into a 0.459 kg wooden block anchored to a 100 nm spring. how far is a
a uniform spherical shell of mass m 3.9 kg and radius r 9.3 cm can rotate about a vertical axis on frictionless
a birthday cake candle 4 cm high is 10 cm from a converging lens whose focal length is 15 cm. use a ray diagram on a
in a classical model of the hydrogen atom the electron movesaround the proton in a circular orbit of radius 0.053 nm.
q1. a space vehicle is coasting at a constant velocity of 28.5 ms in the y direction relative to a space station. the
A transparent oil with index of refraction 1.18 spills on the surface of water (index of refraction 1.33), determine the thickness of the oil slick
An engine receives 890 J of heat from a hot reservoir, and gives off 370 J of heat to a cold reservoir. What is the work done? What is the efficiency of this engine?
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