Master Physics with Fun Quizzes & Brain Teasers!

In terms of diameter, the planet Saturn is larger than _______ , but smaller than _______. A. Venus; Jupiter B. Uranus; Mars C. Mercury; Venus D. Jupiter; Earth
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An egg of mass 0.060 kg is dropped from the top of a building. Just before it reaches the ground, it has a total kinetic energy of 5.9 J. What is the velocity of the egg just before it strikes the ground?
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Calculate the root mean square velocity of the nitrogen molecules, in meters per second (m/s). Do not include the unit of measure in your answer.
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label the axon, motor end plates (neurotransmitter receptor), calcium channel, synaptixk vesicles, Neurotransmitter, synapsie in the photo1.2.3.4.5.6.
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why should you do you should
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Terry dropped a pebble from the top of his apartment building. The pebble impacted the ground after falling for 2.2 seconds. Calculate the final velocity of the pebble at impact with the street below. -4.45 m/s -21.5 m/s -23.7 m/s -9.8 m/s
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Does red or green light have more energy.
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How would you measure the melting point of a solid that melts above 100 c?.
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An Olympic runner completes the 200-meter sprint in 23 seconds. What is the runners average speed? (Round your answer to the nearest tenth of a meter per second. ) 0. 9 m/s 1. 2 m/s 8. 7 m/s 10. 1 m/s.
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A 10-N force is needed to move an object with a constant velocity of 5.0 m/s. What power must be delivered to the object by the force
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A child is sitting on the outer edge of a merry-go-round that is 1.5 m in diameter. If the merry-go-round makes 3.2 rev/min, what is the velocity of the child in m/s?
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A wheel accelerates from rest to 34.7 rad/s at a rate of 47.0 rad/s^2. Through what angle (in radians) did the wheel turn while accelerating?
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what is the amount of pressure exerted by a book that weights 12N onto a desk if it is laid on its longest side and has dimensiona of 0.25m x 0.20m x 0.02m?
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The loaded cab of an elevator has a mass of 3.0 x 10 3 kg and moves 200 m up the shaft in 20 s at constant speed. At what average rate does the cable do work on the cab
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In the equation for newtons second law, what does fnet stand for?.
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A 4600 kg helicopter accelerates upward at 2.0 m/s squared by the upward life (Fa) exerted by the air on the propellers. Assume that there is no air resistance.Calculate the net force of helicopter using Newton's 2nd Law.Calculate the helicopter's weight?Calculate the lift-force (Fa) exerted by the air on the propellersPlease I need the answers
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4. A 2000 kg SUV traveling at 7 m/s south runs into the rear end of an 800 kgcompact car sitting at a stop light in an elastic collision. If the compact car isgoing forward at 7 m/s right after the collision, how fast is the SUV traveling?5. Beaker and Honeydew are driving bumper cars. They spot each other across therink and head straight for each other at full speed. Honeydew and his car (130 kgItotal) head east at 3.5 m/s while Beaker and his car (110 kg total) head west at3.0 m/s. They have an elastic collision when they meet and Honeydew (and car)bounces backwards at 2.4 m/s. What is Beaker's speed after the collision?
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18. A rock is thrown straight upward with an initial velocity of 12.2 m/s from a location where the acceleration due to gravity is 9.8 m/s2. How high up does it go
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A molecule of H2SO4 contains how many atoms?
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kinetic energy during an object falling
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define the term relative velocity
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At which point will the car have the greatest velocity
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PICTURE INSERTED!!! HELP ME!PLEASE
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PICTURE INSERTED!PLEASE HELP
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