Physics, 10.05.2020 12:57 michellebreshears451
A sled on ice moves in the ways described in questions 1-7 below. Friction is so small that it can be ignored. A person wearing spiked shoes standing on the ice can apply a force to the sled and push it along the ice. Choose the one force (A through G) which would keep the sled moving as described in each statement below. You may use a choice more than once or not at all but choose only one answer for each blank.
A. The force is toward the right and is decreasing in strength (magnitude).
B. The force is toward the right and is increasing in strength (magnitude).
C. The force is toward the right and is of constant strength (magnitude).
D. The force is toward the left and is decreasing in strength (magnitude).
E. The force is toward the left and is increasing in strength (magnitude).
F. The force is toward the left and is of constant strength (magnitude).
G. No applied force is needed.
Answers: 3
Physics, 21.06.2019 19:00
What is work? how much work is done to move an object 0 meters?
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Physics, 21.06.2019 22:00
β’β’ al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?
Answers: 3
Physics, 22.06.2019 00:30
Ablock of steel has a density of 0.29lbs per cubic inch. if the block has dimensions of 1 inch by 1 inch by 3 inches, what is its weight? a. 0.29lbs b. 0.58lbs c. 0.87lbs d. 1lbs
Answers: 1
Physics, 22.06.2019 08:30
A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if itβs pressure is changed to 8.4 kpa while its temperature remains constant.
Answers: 3
A sled on ice moves in the ways described in questions 1-7 below. Friction is so small that it can b...
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