3 years ago

You throw a baseball a distance of 20 meters. Is it work or not work?

Physics

1 answer:

OverLord2011 [107]3 years ago

7 0

Yes it is work because when you throw a ball, you transfer energy to it and it moves.

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When droplets of water in the atmosphere act like prisms, the colors in sunlight undergo?

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White light is all the colours of light combined. When the droplets act like prisms, they split the white light into all its colours and also slightly bend the different colours. This is how a rainbow is formed.

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3 years ago

What is the main function of chloroplasts?

dangina [55]

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(

Explanation:

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4 years ago

A student is standing 8 m from a roaring truck engine that is measured at 20 dB. The student moves 4 m closer to

Ipatiy [6.2K]

Answer:80 dB

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3 years ago

What type of circuit is illustrated?

Debora [2.8K]

Answer:

Parallel circuit

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3 years ago

To what temperature will a 79.0 g piece of glass raise if it absorbs 9457 calories of heat and its specific heat capacity is 0.5

ruslelena [56]

Answer:

T_final = 279.4 [°C]

Explanation:

In order to solve this problem, we must use the following equation of thermal energy.

$Q=m*C_{p}*(T_{f}-T_{i})$

where:

Q = heat = 9457 [cal]

m = mass = 79 [g] = 0.079 [kg]

Cp = specific heat = 0.5 [cal/g*°C]

T_initial = initial temperature = 40 [°C]

T_final = final temperature [°C]

$9457 = 79*0.5*(T_{f}-40)\\239.41=T_{f}-40\\\\T_{f}=279.4[C]$

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3 years ago