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Q1. A student shoots spitball at the wall from a height of 1.50 meters. The spitball has an initial horizontal velocity of Vxo, other than has no vertical velocity component. The spitball lands on the ground 8 meters from where it was shot. What is the Vxo?
Q2. The asteroid Pallas has an average diameter of 520 km and a mass of 3.2 x 10^20 kg.
(a) How much would the 100 kg astronaut weigh there? (b) What is the asteroid's escape speed?
Suppose that the mass of the dishwater is large as much as necessary so that its temperature does not change appreciably.
A 1.86- sound wave travels through the pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward the sound receiver as heart beats. The reflected sound is after that mixed with the transmi..
How much work is completed in charging the capacitor
Two identical aluminium objects are insulated from their surroundings. Object A has a net charge of excess electrons. Object B is grounded. Which object is at the higher potential.
A curve of radius 35 m is banked for a design speed of 64 km/h. If the coefficient of static friction is 0.34 (wet pavement), at what range of speeds can a car safely make curve.
What is the change in length of the rope whilst the skier has the acceleration whose magnitude is 0.65 m/s2.
Suppose that the light is incident at right angles to the film. what is the minimum distance from the slits to the screen when 580 nm light is used.
Find the position of the object to acquire real, magnified image, inverted, and virtual, upright image.
Find out the coefficient of sliding friction
How to find out the tension in the cable
A hotel elevator ascends 170 m with a maximum speed of 5.9 m/s. Its acceleration and deceleration both have the magnitude of 1.5 m/s2.
A 37-kg girl is bouncing on a trampoline. All through a certain interval after she leaves the surface of the trampoline, her kinetic energy decreases to 215 J from 430 J. How high does she rise during this interval? Avoid air resistance.
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