Answer:
He is wrong. 50 m/s is greater than 140 km/h
Explanation:
For comparing the values, both need to be of the same units.
Therefore, converting unit,
140 km/h = 140 x 5/18 m/s = 350/9 m/s or 38.888... m/s(approx.)
As 50>38.888....
Therefore, the student is wrong
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Answer:it just keeps going and going for awhile
Explanation:
There is slim to no gravity in space
Answer:
Explanation:
Given:
force applied,
displacement caused,
<u>Work done by the force on the cart:</u>
Negative work means that the force and displacement have an obtuse angle between them.
It’s a feature of quantum-mechanical systems allowing a particle's time evolution to be arrested by measuring it frequently enough with respect to some chosen measurement setting.
Answer:
250 grams
Explanation:
A kilogram is 100 grams. So .25 kg is 250 grams