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Can you explain how a ball is thrown horizontally from the top of a 60.0-m building and lands 100.0 m from the base of the building. Ignore air resistance.
(a) How long is the ball in the air?
(b) What must have been the initial horizontal component of the velocity?
(c) What is the vertical component of the velocity just before the ball hits the ground?
(d) What is the velocity (including both the horizontal and vertical components) of the ball just before it hits the ground?
You are designing a centrifuge to spin at a rate of 15,850 rev/min. Calculate the maximum centripetal acceleration that a test-tube sample held in the centrifuge arm15.8 cm from the rotation axis must with stand.
question uncompressed the spring for an automobile suspension is 40cm long. it needs to be fitted into a space 33cm
A helium nucleus contains two protons. What is the approximate magnitude of the electric force between these two protons
A block of mass m = 600 g is released from rest and slides down a frictionless track of height h = 59.9 cm. What is the value of the spring constant k
While a completely accurate answer would require some infinite series or extreme cleverness, just try to draw a rough map of where the field point over the square from the origin to (2,2) cm, with the understanding that each wire dominates its loc..
A vertical containery with base area measuring 14.0 cm by 17.0 cm is being filled with identical pieces of candy, each witha volume of 50.0 mm3 and a mass of 0.0204 g. Assume that the volume of the empty spaces between the candes is negligible. If th..
A bicycle wheel was observed to rotate at 44 rot/min at t = 0 s, and 229 rot/min at t = 7.0 s. Assume that the bicycle is moving on a horizontal flat road and that the wheels have a 0.33 m radius. what is in rad/s the angualr velocity of the bicyc..
In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 13 m/s at an angle of 24° above horizontal. How high is the ball when it hits the wall
The Sun produces energy by nuclear fusion reactions in which matter is converted into energy. We can gauge that the Sun produces energy at the rate of3.80×1026 W. How many tons of matter does the Sun lose each second?
question1a dolphin located in sea water at a temperature of 26c emits a sound directed toward the bottom of the ocean
a 10.8nc charge is located at position xy1.0cm2.0 cma at what xy position is the electric field -225000i nc?b at what
Find the length of a side of a cube having a mass of 1.3 kg and the density of nuclear matter, taking this to be 2.3 ? 1017 kg/m3
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