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IceJOKER [234]
3 years ago
10

A car travels north along a straight highway at an average speed of 85 km/h. After driving 2.0 km, the car passes a gas station

and continues along the highway. What is the car’s position relative to the start of its trip 15 min after it passes the gas station?
Physics
1 answer:
jenyasd209 [6]3 years ago
5 0

Constant speed is the answer

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How do you measure potential and kinetic energy?
Ray Of Light [21]

Answer:

potential energy is a stored energy or energy of position (gravitational).

Kinetic energy is a energy of motion.

Explanation:

in the formula K is for the kinetic and the P stand for the potential.

3 0
3 years ago
A student produces a power of p = 0.87 kw while pushing a block of mass m = 75 kg on an inclined surface making an angle of θ =
Paul [167]

When block is pushed upwards along the inclined plane

the net force applied on the block will be given as

F_{net} = mg sin\theta + \mu_k mg cos\theta

here we know that

m = 75 kg

\theta = 8.5 degree

\mu_k = 0.16

now plug in all values into this

F_{net} = 75\times 9.8 sin8.5 + 0.16 \times 75\times 9.8 cos8.5

F = 225 N

now for finding the power is given as

P = Fv

0.87 \times 10^3 = 225 \time v

v = \frac{870}{225} = 3.87 m/s

6 0
3 years ago
An example of a single displacement reaction is
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6 0
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What causes the spiral structural in milky way?
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The spiral structure of the milky way can be explained by long lived quasi-static density waves<em>, </em><em>according to the lin-shu hypothesis. </em>Curiously, the waves of higher density gas and stars (seen as spiral arms) appear to remain static as stars move around the galaxy. This explained by assuming that the gravitational disturbances cause by the 'clumping' material in the arms does not affect the gravitational field of the galaxy as whole and is therefore negligible.

source: Astrophysicist
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A motorcycle is traveling along a highway at 26 m/s. How far does the motorcycle travel in 15 s?​
leva [86]
26 m/s for fifteen seconds. distance = rate times time, so distance = 26 m/s * 15 seconds. this gives you distance = 390 meters.
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