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Question: A ball thrown horizontally from a point 15 meters above the ground with initial horizontal speed of 29 m/s. How far will it travel horizontally before it hits the ground? (use g = 10 m/s2; round your answer to two decimals). A ball thrown horizontally from a point 39 meters above the ground, strikes the ground after traveling horizontally a distance of 12 meters. With what speed was it thrown? (use g = 10 m/s2; round your answer to two decimals)
A 55 kg woman and an 80 kg man stand 14.0 m apart on frictionless ice. How far will the man have moved when he collides with the woman
A typical ten-pound car wheel has a moment of inertia of about 0.35kg *m2. What is the rotational kinetic energy K of the rotating wheel
Under some circumstances, a star can collapse into an extremely dense object made mostly of neutrons and called a neutron star. If the original star rotated once in 35 days, find the angular speed of the neutron star
(a). How much of an initially pure 5.50 g sample of 64Cu will decay during the 2.00 h period beginning 14.0 h later?
An immersion heater used to boil water for a single cup of tea plugs into a 120 V outlet and is rated at 300 W. What is the Resistance of the Heater
a girl who weighs 720 N rides on a FErris wheel of radius 7.5 m. when at the top of the wheel her effective weight is 600 N. Find out her speed and the angular speed of the wheel
The average density of the planet Venus is 5219 kg/m3. The acceleration of gravity on its surface is 8.84 m/s2. Calculate the average radius of Venus
A 7.0 centimeter diameter horizontal pipe gradually narrows to 5.6 centimeter. Evaluate what is the volume rate of flow
An electron is released a short distance above the surface ofthe earth. How far below the first electron is the second
The quartz tube is actually 921mm long × 15mm diameter ... use the tube circumference and length to: estimate the light's maximum Electric Field , at the outside of the tube
A transformer has an input coilwith Nin = 250 turnsand Nout = 900 turns. If the voltage across the inputcoil has an amplitude of 2.4 V, what is the voltage across the outputcircuit?
a 3-g bullet flying at 420 ms hits a 2.2-kg aluminum block and embeds itself in the aluminum. after everything has come
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