Physics, 12.12.2020 16:10, ramberson101
A soccer ball of mass 0.5 kg, initially at rest, is kicked by a force of magnitude 1000 N for 0.015 s. What is the velocity of the ball after the kick?
A. 0 m/s
B. 15 m/s
C. 7.5 m/s
D. 30 m/s
Answers: 3
Physics, 22.06.2019 04:20, gonzalesalexiaouv1bg
When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.
Answers: 1
Physics, 22.06.2019 05:00, hihihi129473838
Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?
Answers: 3
Physics, 22.06.2019 17:30, funnybugy16
How does the entropy of steam compare to the entropy of ice?
Answers: 2
A soccer ball of mass 0.5 kg, initially at rest, is kicked by a force of magnitude 1000 N for 0.015...
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