3 years ago

A batter hits a fly ball into the outfield. The

Physics

2 answers:

Anon25 [30]3 years ago

6 0

Answer: gravitational force

Vaselesa [24]3 years ago

4 0

The gravitational force :))))

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While watching a planet orbiting a star, you notice that the doppler shift in the light of the star is becoming increasingly blu

Lyrx [107]

Answer:

The star must be moving "closer" to the earth because the wave fronts that are being emitted are shifted toward the blue end of the spectrum (they are closer together)

6 0

2 years ago

A small 32-kilogram canoe broke free of its dock and is now floating downriver at a speed of 2.5 m/s. What is

marysya [2.9K]

<h3>Answer:</h3>

80 kgm/s

<h3>Explanation:</h3>

<u>We are given;</u>

Mass of the Canoe is 32 kg
Speed of the Canoe is 2.5 m/s

We are required to calculate the momentum of the Canoe?

We need to know that momentum is the product of mass of an object and its speed.

Therefore;

Momentum = Mass × speed

Therefore;

Momentum = 32 kg × 2.5 m/s

= 80 Kgm/s

Thus, the momentum of the Canoe is 80 kgm/s.

6 0

3 years ago

The mass of a proton is approximately equal to

Dahasolnce [82]

Answer:

$1.6726\cdot 10^{-27} kg$

Explanation:

The three main particles that make an atom are:

- Proton: its mass is $1.6726\cdot 10^{-27} kg$ , it carries an electric charge of +e ( $e=1.6\cdot 10^{-19}C$ ), and it is located in the nucles of the atom

- Neutron: its mass is $1.6749 \cdot 10^{-27}kg$ , it carries no electric charge, and it is also located in the nucleus of the atom

- Electron: its mass is $9.1094 \cdot 10^{-31}kg$ , it carries an electric charge of -e ( $e=1.6\cdot 10^{-19}C$ ), and it is located outside the nucleus