Pedro is building a model motor. He would like the motor to be more powerful. Which of the following would best help him increas
1 answer:
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Answer:
19.01 N
Explanation:
F = Force being applied to the crate = 45 N
= Angle at which the force is being applied =
Horizontal component of force is given by
The horizontal component of the force acting on the crate is 19.01 N.
Answer:
negative sign indicates that the distance is decreasing with time
Explanation:
Let at any time t after noon that is 12 p.m.
distance traveled by car A = 40t
distance traveled by car B = 90-60t
then distance between the two cars at time t
............1
also, at time 1 p.m.
distance
D=50 Km
differentiating equation 1 w.r.t. t we get
put t= 1 and D= 50 we get