Physics, 14.09.2021 14:00 jflakes406
Imagine a ball that is pushed off a desk completely horizontal and falls 4.9 m down to the floor. If it landed 3.4 m away from the edge of the desk, how fast was it moving in the vertical direction just before it hit the ground?
Answers: 2
Physics, 21.06.2019 16:30
Which of the following would not be taken into consideration when describing the quality of a sound
Answers: 2
Physics, 21.06.2019 20:00
When someone slams her books on a table the kinect energy is transferred into vibrations that travel to your ears as sound waves which statement describes the movement of those waves
Answers: 1
Physics, 22.06.2019 10:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 3
Physics, 22.06.2019 12:10
Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?
Answers: 2
Imagine a ball that is pushed off a desk completely horizontal and falls 4.9 m down to the floor. If...
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