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One of your summer lunar space camp activities is to launch a 1130-kg rocket from the surface of the Moon. You are a serious space camper and you launch a serious rocket: it reaches an altitude of 225 km. What gain in gravitational potential energy does the launch accomplish? The mass and radius of the Moon are 7.36 × 1022 kg and 1740 km, respectively.
In the 1850s, Armand Fizeau and Jean-Bernard-Leon Foucault made the first measurements of the speed of light in water. calculate the wavelength of yellow green light in water
A 58-kg water skier is being pulled by a nylon tow rope that is attached to a boat. What is the change in the length of the rope when the skier has an acceleration whose magnitude is 0.90 m/s2
The free oscillations of a mechanical system are observed to have a certain angular frequency w1. what is the quality factor Q
How various revolutions per minute would a 21 -diameter Ferris wheel need to make for the passengers to feel "weightless" at the topmost point.
if the mass of Mars is 0.107 times that of Earth, and its radius is 0.530 that of Earth, estimate the gravitational acceleration g at the surface of Mars
When a mass of 7.15 kg is attached to the spring, the spring stretches by 0.0105 m. Calculate the kinetic energy the mass possesses
A 4 cm diameter loop with resistance 0.18 Omega surrounds a 2 cm diameter solenoid. The solenoid is 15 cm long, has 100 turns, and carries the current shown in the graph. A positive current is cw when seen from the left.
a motorcycle has a constant acceleration of 2.74 ms2. both the velocity and acceleration of the motorcycle point in the
At Green Hills golf course, the ninth hole par 3 isfrom an elevated tee box. With a laser rangefinder, a golfermeasures the flag to be 143 m 18.5 degrees below thehorizontal.
A jet is circling an airport control tower at a distance of 24.5 km. Find the distance traveled (in meters) by the jet as the observer watches the nose of the jet cross from one side of the moon to the other
a water hose is used to fill a large cylindrical storage tank of diameter d and height 2d. the hose shoots the water at
A small ferryboat is 4.00 m wide and 6.00 m long. When a loaded truck pulls onto it, What is the weight of the truck
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