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At the Earth's surface, a projectile is launched straight up at a speed of10.5km/s. To what height will it rise? Ignore air resistance.
m
A satellite is in a circular orbit around the earth. The period of the satellite is 22 hr.
A projectile is launched perpendicularly upward from a planet of mass M; and radius R; its initial speed is twice the escape speed. Derive an expression for its speed as a function of the distance from the center of the planet.
According to the shop manual, when drilling a 13.0-mm-diameter hole in wood, For a 13.0-mm-diameter drill bit turning at a constant 1400rev/min , find the maximum linear speed of any part of the bit
A cat is being chased by a dog. Both are running in a straight line at constant speeds. How fast did the cat run
Calculate the shear stress of the crude oil at the walls, and plotting the velocity distribution graph for the same.
A typical adult ear has a surface area of 1.56 Ã- 10-3 m2. The sound intensity during a normal conversation is about 3.94 Ã- 10-6 W/m2 at the listener's ear. How much power is intercepted by the ear
Three parallel wire 5 m long carry each 24 A of current in the same direction. Find the magnitude force on each wire
Two identical converging lenses have focal lengths of 15 cm and are aligned on the same principal axis. What is the total magnification of the two lenses
A dentist's drill starts from rest. After 2.90 s of constant angular acceleration it turns at a rate of 2.0 multiply.gif 104 rev/min. Determine the angle (in radians) through which the drill rotates during this period
A time-dependent force, Fvecbold = (7.50i hat bold ? 4.05tj hat bold), How far is the object from its initial position when its speed is 15.0 m/s
A 1.0 kohm resistor is connected in series with a 10 mH inductor, a 30 V battery, and an open switch. at time t=0, the switch is suddenly closed. What are the voltage drops Vr and Vl 20.00 us after the switch is closed.
At a certain time a particle had a speed of 84 m/s in the positive x direction, What was the average acceleration of the particle during this 2.7 s intervl
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