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A tennis ball is served horizontally at a height of 2.40 m, 12.0 mfrom a net that is 0.900 m high. (a) If it is to clear the net byat least 0.200m, what is its minimum initial velocity? (neglect airresistance) (b) if it clears the net by 0.200m, where will itland?
find the coefficient of kinetic friction between skis and snow.Three equal point charges, each with charge 1.80 mu C, are placed at the vertices of an equilateral triangle whose sides are of length 0.500 m. What is the electric potential energy U o..
According to legend, to determine whether the king's crown was made of pure gold, Archimedes measured the crown's volume by find out how much water it displaced. The density of gold is 19.3g/cm^3. If the crown's mass was 6.00 * 10^2g, what volume ..
A hoodlum throws a stone vertically downward with an initial speed of 11.1 m/s from the roof of a building, 26.0 m above the ground. What is the speed of the stone at impact
A funny car accelerates from rest through a measured track distance in time T with the engine operating at a constant power P. what is the change in the time required for the run
Estimate the fractional error (%) on the left side and on the right side of the equation based on the precision of the available equipment in class: the pulling mass is measured by slotted weights with precision of 10 gram
Two blocks of masses m1 = 2.00 kg and m2 = 4.25 kg are each released from rest at a height of y = 5.20 m on a frictionless track, obtain the velocity of each block just before the collision
An electron moving parallel to the x axis has an initial speed of 3.70*10^6m/s at the origin. Its speed is reduced to 1.40*10^5m/s at the point x=2cm. Which point has higher potential energy
A relatively loud sound can be created because a standing wave occurs in the bottle. Explain why the pitch of the sound becomes higher
A 1200 crate slides 15 down a ramp that makes an angle of 30 with the horizontal.If the crate slides at a constant speed, how much thermal energy is created?
Visitors at a science museum are invited to sit in a chair to the right of a full-length diverging lens (f1 = -2.94 m), Find the overall magnification of the friend when viewed through both lenses
A rock is thrown vertically upward from the edge of a cliff. The rock reaches a maximum height of 19.6 m above the top of the cliff before falling to the base of the cliff, How high is the cliff
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis, What is the radius of a chamber
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