Physics, 02.07.2019 23:00 sherlock19
Which action demonstrates increasing the resistance of a movement by lengthening the distance between the join and movement? a. doing a sit up with arms on the forehead after sitting up with arms behind head b. lifting dumbbell weight at 20-degree angle from the body after a 45-degree angle c. rising from a wide-leg squat after rising from a closed leg squat
Answers: 1
Physics, 22.06.2019 00:00
True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.
Answers: 1
Physics, 22.06.2019 09:00
When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.
Answers: 1
Physics, 22.06.2019 16:50
During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0ยฐ, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.
Answers: 2
Which action demonstrates increasing the resistance of a movement by lengthening the distance betwee...
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