Please need some help on this thank you so much

Physics

1 answer:

fomenos4 years ago

8 0

Weight is based on density mass is not.

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Compare your answer to the previous question with your observations in conducting this experiment. Discuss whether energy was co

Rudiy27

No, Friction was not Negligible. If you push a block on a surface, it will not continue to move unless you are still pushing it.

4 0

3 years ago

A 3.75 kg ball is lifted from the floor to a height of 1.5 m above the floor. What is its increase in potential energy?

inysia [295]

<span>We can use a simple equation to calculate the increase in gravitational potential energy. PE = mgh m is the mass of the object g is the acceleration due to gravity h is the change in height PE = mgh PE = (3.75 kg) (9.80 m/s^2) (1.5 m) PE = 55.1 Joules The increase in gravitational potential energy is 55.1 Joules.</span>

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3 years ago

Two campers in a national park hike from their cabin to the same spot on a lake, each taking a different path, as illustrated be

elixir [45]

Answer:

<em>Their displacement is 5 Km from the cabin.</em>

Explanation:

The displacement is define is the shortest distance between two points. It is the shortest distance of a line that joins two points together. It quantifies both the distance and direction of the net or total motion along a straight line from the initial position to the final position of the point trajectory. In this case, the straight line joining the cabin to the stream is line S which is equal to 5 Km

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3 years ago

A cup of hot coffee has been left to cool in a room with an ambient temperature of 21^\circ{\text{C}}21 ∘ C21, degrees, start te

Kay [80]

Answer:

Explanation:

From the equation given ; T(m)=21+74⋅10 −0.03m

Plugging the value of m = 10minutes for the time to calculate the temperature at that time instant. The detailed steps is as shown in the attached file

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3 years ago

What are factors within a region that affect or limit the physical environment?

NISA [10]

Answer:Some examples of limiting factors are biotic, like food, mates, and competition with other organisms for resources. Others are abiotic, like space, temperature, altitude, and amount of sunlight available in an environment. Limiting factors are usually expressed as a lack of a particular resource.

Explanation:hope this helps you

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3 years ago

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