The answer & explanation for this question is given in the attachment below.
Answer:
B. Mechanical energy= 50J+30J=80J
Answer:
Explanation:
Given
initial velocity component of engines is
time period of engine running=763 s
Displacement in
Using in x and y direction
In y direction
x component
y component
Explanation:
<h2>Newton's first law of motion states that everybody continues in its state of rest or of uniform motion in a straight line unless an external force is applied on it. </h2>
Answer:
Explanation: relationship between the object and the observer's frame of reference.