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At what distance R from the foot of the wall does the emerging stream strike the floor? Express your answer in terms of the given quantities.
A bathroom spring scale obeys Hooke's law and is depressed 0.750 cm by its maximum load of 120 kg. What is the springs effective force constant?
Jennifer is walking at 1.63 m/s. If Jennifer weighs 583 N, what is the magnitude of her momentum?
Evidence is strong that the formation of the Sun (and its family of planets) happened by the same processes as the formation of stars. Explain.
Using the internet, find the mass and radius of three of the nine planets in our solar system. Be sure that the masses are expressed in kilograms and the radii
Describe and explain how birefringent materials may be used to produce linearly and circularly polarized light from unpolarized light?
A spherical balloon of radius 10.0 m has a mass of 600 kg when empty. If the balloon is filled with 1.0 atmospheres of helium gas, what is the mass
Assume that the motor has accelerated the wheel up to an angular velocity omega_1 with angular acceleration alpha in time t_1.
What is the total mass in kilograms of our solar system? And what is the equation for the speed of light?
A child's toy consists of a block that attaches to a table with a suction cup, a spring connected to that block, a ball, and a launching ramp.
You drive an automobile of mass 2.10*10(3) kg from sea level to the top of a mountain 2.05km high? What is the automobiles' change in weight?
Just after being struck by a club a golf ball has a velocity of 125ft/sec at an angle of 35 degrees above the horizontal.
A maintenance crew is about to arrive on the space shuttle that is also in a circular in the same orbital plane as the ISS, but with an altitude of 398.10km.
A car, starting from rest, accelerates in a straight-line path at a constant rate of 2.5m/s^2. How far will the car travel in 12 seconds?
A spacecraft is to be launched from the surface of the earth so that it will escape from the SOLAR SYSTEM altogether
Two meteoroids are heading for earth. Their speeds as they cross the moon's orbit are 2.0 km/s.
An adult elephant has a mass of about 5.0 tons. An adult elephant shrew has a mass of about 50 grams.
The fixed horizontal guide carries a pin P whose motion is controlled by the rotating slotted arm OA.
At what distance from a long, straight wire carrying a current of 100.0 A is the magnetic field due to the wire equal to the strength of the Earth's field
In the twin paradox, twin A remains on Earth while twin B travels a distance L, measured in the Earth's inertial frame, at a velocity v to a very distant solar
Suppose a shuttle were launched from a launchpad on the Moon instead of the Earth's surface. What changes would we observe?
For a mailbag released from a descending helicopter, the speed of the mailbag and its distance below the helicopter.
Two masses are released at the same height, and fall a very long distance under gravity, till they hit the ground.
What is the tension on an elevator cable if the elevator (with a mass of 1209.3 kg) is traveling up at 4.2 m/s?
The moon has a diameter of 3.48 x 10^6 m and is a distance of 3.85 x 10^8m from the earth. The sun has a diameter of 1.39 x 10^9 m and is 1.50 x 10^11 m