Answer:
Explanation:
We can use the following kinematics equation to solve this problem:
Solving for :
Which direction will thermal energy flow if you pick up a snowball with your bare hand? Thermal energy will flow from the snowba
2 answers:
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Answer: The density of glycerine will be
Explanation:
Density is defined as the mass contained per unit volume.
Given:
Density of glycerine=
1 lbm = 0.454 kg
1 kg =
Thus
Also
Putting in the values we get:
Thus density of glycerine will be
Answer:
Explanation:
Given that,
Force, F = 52 N
Mass of the block, m = 4 kg
We need to find the acceleration of the object. We know that,
F = ma
Put the values,
So, the acceleration of the object is equal to .
Answer:
1.9 km
Explanation:
The equation for vertical motion is ...
h(t) = -4.9t^2 +26t +20
This will have a zero near t = 5.988 seconds.*
The horizontal distance traveled in that time is ...
(310 m/s)(5.988 s) ≈ 1856 m ≈ 1.9 km
_____
* The root of a quadratic can be found numerous ways. We choose the quick and easy: let a graphing calculator show it to you.
