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3 years ago

Pls help on midtermgggggggggggggggggg

Physics

1 answer:

Lady_Fox [76]3 years ago

3 0

Answer:

Explanation:

Pushing a car up a steep hill is the most work. First of all a car is heavy. Secondly, its hard to walk up a steep hill let alone push a car up one.

Answer:

Explanation:

Jack nd Jill did the same amount of work but jack had more power

Please give brainlist

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What is An object that changes position?

mel-nik [20]

Explanation:

Motion is when an object changes position over time. The object in motion is usually in front of a reference point-an object that appears to stay in one place. The rate at which an object moves is called speed. Speed depends on both time and distance. The velocity of an object is how fast it is going in one direction

How do you know if an object has changed position?

changes position requires a point of reference. An object changes position if it moves relative to a reference point. To visualize this, picture yourself competing in a 100-m dash. You begin just behind the start line

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3 years ago

What happens to the acceleration of an object if the net force that acts on it triples in magnitude?

poizon [28]

F=ma Force is equal to mass times acceleration.

So looking at the equation if mass stays the same but we make F three times larger then acceleration will become 3 times larger as well because the equation must remain equal on both sides.

just multiply both sides of the equation F=ma times 3. So 3xF=3x ma

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4 years ago

17. What is the speed of a race horse that runs 1500 m in 125 s?

Hoochie [10]

Answer:

12 miles per second

Explanation:

6 0

3 years ago

Read 2 more answers

PLEASE HELP ME!!! Ice is less dense than water because of which bond? THANK YOU

Sergio039 [100]

Okay so hydrogen bonds..

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3 years ago

Read 2 more answers

It takes Harry 34 s to walk from x1 = -11 m to x2 = -54 m .

miss Akunina [59]

Missing question:
"What is his velocity? Please answer using two sig figs in m/s."

Solution
The relationship between velocity (v), space (S) and time (t) is
 $v= \frac{S}{t}$
The space covered by Harry is
 $S=x_1 - x_2 = -11 m-(-54 m)=43 m$
and so the velocity is
 $v= \frac{43 m}{34 s} =1.26 m/s$

4 0

4 years ago