II. Problem Solving
1. A 75.0 kg child climbs a 6 m long wall . What is the potential energy of the child with respect to the ground?
Given: m=_____
g=9.8 m/s2
h=_____
PE=?
PE=mgh
PE=____×____×_____
PE=_____
2. How much work is done? When a 140 J is used to drag a box in a distance of 8.5m?
Given: F= _____
D = _____
W=?
W=Fd
W= ____×____=_____
W=_____
3. What is the KE of a car moving at 34 m/s with a mass of 25 kg.
Given: v=_____
M=_____
KE=?
KE=1/2mv²
KE=1/2____×____²
KE=1/2____×____²
KE=______
(help me please!!)
(no nonsense please)
1. A 75.0 kg child climbs a 6 m long wall . What is the potential energy of the child with respect to the ground?
Given: m=_____
g=9.8 m/s2
h=_____
PE=?
PE=mgh
PE=____×____×_____
PE=_____
2. How much work is done? When a 140 J is used to drag a box in a distance of 8.5m?
Given: F= _____
D = _____
W=?
W=Fd
W= ____×____=_____
W=_____
3. What is the KE of a car moving at 34 m/s with a mass of 25 kg.
Given: v=_____
M=_____
KE=?
KE=1/2mv²
KE=1/2____×____²
KE=1/2____×____²
KE=______
(help me please!!)
(no nonsense please)
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Answers & Comments
Answer:
1. 43,291.46 J
2. W8 what kind of a given is this?
The force should be in newtons to find the Work. I'll answer this in the c0mment section. Go tell me If I am wrong. For me maybe the answer is 1,190 Newtons or V
3. 14,450 J
Hope it helps!! ^^
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