Physics, 17.12.2019 00:31 edginutystudent
Ahockey player uses her hockey stick to exert a force of 6.81 n on a stationary hockey puck. the hockey puck has a mass of 165 g. what is the acceleration of the hockey puck?
a. 0.13 m/s2
b. 11.3 m/s2
c. 21.3 m/s2
d. 31.3 m/s2
e. 41.3 m/s2
Answers: 3
Physics, 21.06.2019 20:30
Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?
Answers: 1
Physics, 23.06.2019 02:30
Afaulty model rocket moves in the xy-plane (the positive y direction is vertically upward). the rocket's acceleration has components ax(t) = ? t2 and ay(t) = ? ? ? t, where ? = 2.50 m/s4 , ? = 9.00 m/s2 , and ? = 1.40 m/s3 . at t = 0 the rocket is at the origin and has velocity ~v0 = v0x ? i + v0y ? j with v0x = 1.00 m/s and v0y = 7.00 m/s. (a) calculate the velocity and position vectors as functions of time. (b) what is the maximum height reached by the rocket? (c) sketch the path of the rocket. (d) what is the horizontal displacement of the rocket when it returns to y = 0?
Answers: 1
Ahockey player uses her hockey stick to exert a force of 6.81 n on a stationary hockey puck. the hoc...
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