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The escape velocity of a bullet from the surface of planet Y is 1727 m/s. Calculate the escape velocity from the surface of the planet X if the mass of planet X is 1.490 times that of Y, and its radius is 0.8790 times the radius of Y (in m/s).
You have an organ pipe that resonates at frequencies of 800, 1120, and 1440 Hz but nothing between these. determine the fundamental frequency for this pipe
A ball is thrown nearly vertically upward from a point near the edge of a tall building. it misses the edge of the building in ts way down and passes a point 160ft below its starting point 5 seconds after it leaves the thrower's hand.
A vertical spring has one end attached to the ceiling and a 2.50 kg weight attached to the other one. find how fast the weight is moving
When a 24 Ohm resisotr is connected across a 12 Volt Battery, a current of 482 ma flows. What is the power delivered by the emf of the battery
In a certain binary-star system, each star has the same mass which is 2.0 times of that of the Sun, and they revolve about their center of mass. The distance between them is the 5.9 times the distance between Earth and the Sun. What is their period o..
A positively charged rod is brought close to one end of an uncharged metal rod but does not actually touch it. What type of charge does the end of the metal rod closest to the positively charged rod acquire?
bowler uses a 5-kg bowling ball. What is the weight of the bowling ball, What is the momentum of the ball
If 20 grams of hot water at 80°C is poured into a cavity in a very large block of ice at 0°C, what will be the final temperature of the water in the cavity? How much ice should melt in order to cool the hot water down to this temerature.
Four identical particles each have charge q and mass m. They are free from rest at the vertices of a square of side L. How fast is each charge moving when their distance from center of the square doubles.
a merry-go-round r=2m, initially at rest is given a constant tangential push that depends on time. F(t) =β(t) applied on the rim. β=10N/s, Calculate angular acceleration as a function of time
An object is located 5 cm to the left of a concave mirror that has a radius of curvature if 20 cm. Calculate the image distance from the mirror
A ski jumper starts from rest 59.0 m above the ground on a frictionless track and flies off the track at an angle of 45.0° above the horizontal and at a height of 16.0 m above the ground, What is the maximum altitude she attains after leaving the t..
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