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Genrish500 [490]
2 years ago
12

The velocity of a car is 108 km h-1 what is the velocity in units of ms -1

Physics
1 answer:
Anarel [89]2 years ago
3 0

\frac{108 \times 10^3 }{60 \times 60}  \\  \frac{108 \times 10^3 }{3600} \\  = 30 { ms }^{ - 1}
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In a two-body collision, if the momentum of the system is conserved, then which of the
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c) may also be conserved

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But the differences is that:

In an ELASTIC type of collisions, KINETIC ENERGY IS ALSO CONSERVED.

whereas, In an INELASTIC type of collision, KINETIC ENERGY IS NOT CONSERVED.

So unless until type of collision is specified, we can not say anything about the conservation of kinetic energy after collision.

Hence, may also be conserved is the appropriate option here.

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3 years ago
A catapult can project a projectile at a speed as high as 37.0 m/s. (a) if air resistance can be ignored, how high (in m) would
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Then the maximum height of the catapult will be 69.78 meters.

<h3>What is kinematics?</h3>

The study of motion without considering the mass and the cause of the motion. The equation of motion is given below.

v = u + at

s = ut + (1/2)at²

v² = u² + 2as

A catapult can project a projectile at a speed as high as 37.0 m/s. (a) if air resistance can be ignored.

a = - 9.81 m/s²

u = 37 m/s

v = 0

s = h

Then the maximum height of the catapult will be given by the third equation.

v² = u² + 2as

0² = 37² - 2 × 9.81 × h

h = 37² / (2 × 9.81)

h = 69.78 meters

Then the maximum height of the catapult will be 69.78 meters.

More about the kinematics link is given below.

brainly.com/question/7590442

#SPJ1

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1 year ago
Four rivers have the same volume of water flow over time but fall from the different heights to power hydroelectric dams. which
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I thibknits 175

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Jupiter nudges the asteroids through the influence of:.
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Hope this helps!
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1 year ago
A block of mass 3kg is placed on a rough surface. The coefficient of static friction between two surfaces is 0.2 then what is th
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the minimun horizontal force is = 5,88 N

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Using a free body diagram we can calculate this force, in the image attached and using Newton's law we have:

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