Answer:
A
Explanation:
marijuana affects the brain
Answer:
Answer:
43.4J
Explanation:
We know that
Work done = total heat energy
But work done is force x distance
=> F = 19 x8.6 = 163.4 J
So the total heat. Will be Heat of cube + heat of floor = 163.4J
So that heat of floor will now be
floor = 163.4 J - 120 J = 43.4 Joules
Explanation:
Answer:
f. Force acting down and constant
Explanation:
At the highest point, the coin will start to free fall and in free fall only force of gravity act, which is always acted downward and its magnitude is mass times g. g=9.81 m/s^2. which makes the force constant.
therefore, the correct answer will be f. Force acting down and constant
Answer: 12.56 m/s
Explanation:
The velocity of something that is doing a circular motion can be written as:
v = R*w
Where:
v is the velocity.
R is the radius, in this case, we know that it is 8m.
w is the angular velocity, we know that:
w = 2*pi*f
where:
pi = 3.14
f = frequency, this is equal to the inverse of the period, and we know that the period is 4 seconds.
then:
f = 1/4s
w = 2*3.14*(1/4s)
Then the velocity will be:
v = 8m*2*3.14*(1/4s) = 12.56 m/s
The velocity is 12.56 meters per second, and the mass of the passenger does not mater for this particular calculation.
Answer:
If you're asking if this is true or false, the answer is true.
Explanation: