Answer:
<h2>3.3 J</h2>
Explanation:
The potential energy of a body can be found by using the formula
PE = mgh
where
m is the mass
h is the height
g is the acceleration due to gravity which is 10 m/s²
From the question we have
PE = 1.5 × 10 × 0.22
We have the final answer as
<h3>3.3 J</h3>
Hope this helps you
Answer:
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Explanation:
eg3g3gf3f3f3f3f3f3f3f3f3f3ggeg
Answer:
what time you thinking. about coming down to take a break and ok I will get to?. that was a right answer?
Answer:
The mass of the ice block is equal to 70.15 kg
Explanation:
The data for this exercise are as follows:
F=90 N
insignificant friction force
x=13 m
t=4.5 s
m=?
applying the equation of rectilinear motion we have:
x = xo + vot + at^2/2
where xo = initial distance =0
vo=initial velocity = 0
a is the acceleration
therefore the equation is:
x = at^2/2
Clearing a:
a=2x/t^2=(2x13)/(4.5^2)=1.283 m/s^2
we use Newton's second law to calculate the mass of the ice block:
F=ma
m=F/a = 90/1.283=70.15 kg
Answer:
a) The flea's speed when it leaves the ground is 
b) The flea move 
upward while it is pushing off
Explanation:
Hi
<u>Knwons</u>
Mass 
, Work 
and Force 
a) Here we are going to use 
, so 
a) Here we are going to use 
, so 
or approx.
