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Inga [223]
3 years ago
8

A car travelling at 10 m/s accelerates at 3 m/s^2 for 6 seconds. What is the final velocity of the car?

Physics
1 answer:
tankabanditka [31]3 years ago
7 0

Answer:28m/s

Explanation:I got one point so yeah hope this help

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How to calculate density
Marizza181 [45]

Answer:

The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre.

Explanation:

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2 years ago
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The amplitude of a sound is the A. frequency of the sound. B. magnitude of displacement of a sound pressure wave. C. psychologic
AlladinOne [14]

Answer:

Option B. magnitude of displacement of a sound pressure wave

Explanation:

Amplitude is simply the maximum displacement of a wave from its mean position.

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4 years ago
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A spaceship is moving past us at a speed close to the speed of light. how would we view time (clocks) on the spaceship as it goe
SVEN [57.7K]

The clocks on the spaceship move more slowly than ours do.

<h3>What use does a spaceship serve?</h3>

A spaceship is a machine or vehicle built to travel through space.

Spacecraft are a form of artificial satellite used for a wide range of tasks, such as communications, Earth observation, meteorology, navigation, space colonization, planetary exploration, and cargo and person transfer.

<h3>What is a spaceship used for?</h3>

A launch vehicle from Earth can launch a spaceship, which is made to go in space.

In order to complete a mission—with or without people—and then return to Earth, it may carry a payload. building up.

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8 0
2 years ago
A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle
aalyn [17]

Answer:

4.56 s

Explanation:

Let t (seconds) be the time it takes from the moment when the motorcycle starts to accelerate until it catches up with the car. Since prior to this they are traveling at constant speed, they would have maintained a distance of 52 m before accelerating.

The distance traveled by the car, with respect the motorcycle position when it start accelerating is

s_c = s_0 + v_ct = 52 + 19t

The distance traveled by the motorcycle after accelerating, with respect the motorcycle position when it start accelerating is

s_m = v_mt + at^2/2 = 19t + 5t^2/2

When the motorcycle catches up to the car, their position are at the same

s_c = s_m

52 + 19t = 19t + 5t^2/2

52 = 5t^2/2

t^2 = 20.8

t = \sqrt{20.8} = 4.56 s

5 0
3 years ago
A mass of 2.1 kg the ball leaves her hand with the speed of 30 mass find the energy of the ball
snow_lady [41]
Ke= 1/2 x m x v^2
Ke= 1/2 x 2.1 x 30^2
Energy = 945 J
8 0
3 years ago
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