Physics, 14.09.2019 04:10 norinashanleyc
A1.8-kg block is released from rest at the top of a rough 45° inclined plane. as the block slides down the incline, its acceleration is 2.0 m/s, down the incline. determine the magnitude of the force of friction acting on the block. a. 16.1 n b. 8.9 n c. 12.5 n d. 2.3 n e. 17.6n
Answers: 2
Physics, 23.06.2019 12:30
Which two body systems, when working together, give your body shape and allows you to move around, like the boy seen here? a) muscular and skeletal b) digestive and skeletal c) skeletal and circulatory d) cardiovascular and skeletal
Answers: 2
Physics, 23.06.2019 13:30
A6.5-g iron meteor hits the earth at a speed of 295 m/s. if its kinetic energy is entirely converted to heat in the meteor, by how much will its temperature rise? the specific heat of iron is 113 cal/kg ∙ c°, and 1 cal = 4.186 j. a) 57,100 c° b)384 c° c)0.147 c° d)92.0 c°
Answers: 1
Physics, 23.06.2019 13:40
What’s the kinetic energy of the object? use . erica is competing in the shot put event at a track meet. she hurls a shot with a mass of 4 kilograms at a speed of 9 meters/second. the shot’s kinetic energy is joules.
Answers: 1
Physics, 23.06.2019 22:30
Which statements describe the characteristics of asteroids? check all that apply. formed 4.6 billion years ago orbit the sun beyond jupiter range in size from a few feet to more than 500 miles across have a total mass greater than the mass of the moon most are found in the asteroid belt
Answers: 1
A1.8-kg block is released from rest at the top of a rough 45° inclined plane. as the block slides do...
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