Answer:
1). Brake pedal or lever
2). A pushrod also called an actuating rod
Answer:
15 seconds
Explanation:
If car was moving at 20m/s for 3 sec.
if car traveled 100m = 15 sec total
Let k be the spring constant. Then you have
188=k*21.8
k=188/21.8=8.62,
In the second part you use
m g= k x
x=m g/k= 38/8.62=4.4cm
4.4 cm is the answer
Answer:
it helps you estimate how hard you're working (your activity intensity). <u>perceived exertion</u> is how hard you think your body is exercising. ratings on the scale are related to heart rate (how hard your heart is working to move blood through your body).
Explanation: