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Alinara [238K]
3 years ago
12

A car has a mass of 1500 kg. If the force acting on the car is 6750 N to the east, what is the car’s acceleration?

Physics
1 answer:
Paha777 [63]3 years ago
8 0

The car's acceleration is equal to 4.5\frac{m}{s^{2}} to the east.

Why?

To calculate the car's acceleration, we need to use the given information about its mass and the force applied on it. We can use the following formula:

Force=mass*acceleration\\\\6570N=1500Kg*acceleration\\\\acceleration=\frac{6750N}{1500Kg}=4.5\frac{m}{s^{2}}

Hence, we have that the car's acceleration is equal to 4.5\frac{m}{s^{2}} to the east.

Have a nice day!

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A woman climbs up a ladder in 1.37 s at 2.20 m/s. How tall is the ladder?
ArbitrLikvidat [17]

Answer:

The ladder is 3.014 m tall.

Explanation:

To solve this problem, we must use the following formula:

v = x/t

where v represents the woman’s velocity, x represents the distance she climbed (the height of the ladder), and t represents the time it took her to move this distance

If we plug in the values we are given for the problem, we get:

v = x/t

2.20 = x/1.37

To solve this equation for x (the height of the ladder), we must multiply both sides by 1.37. If we do this, we get:

x = (2.20 * 1.37)

x = 3.014 m

Therefore, the ladder is 3.014 m tall.

Hope this helps!

6 0
3 years ago
Read 2 more answers
Suppose the glass paperweight has index of refraction n=1.38. a) find the value of θ for which the reflection on the vertical su
zimovet [89]

Answer:

a)θ=71.89°

b)NO

Explanation:

Given that

For glass n= 1.38

We know that for air n'=1

The angle  for total internal reflection θc given as

sin θc=n'/n

By putting the values

sin θc=n'/n

sin θc=1/1.38

θc=46.43°

n'sinθ = n sinθref

sinθref = cosθc

n'sinθ =  n cosθc

1 x sinθ =1.38 x cos 46.43°

θ=71.89°

b)

NO

8 0
3 years ago
A circular pizza into 3 equal parts, one piece of pizza is taken out. Estimate the degree measure of the single piece of pizza a
seropon [69]

Answer:

A circular pizza has a angle of 360 degrees. When you cut it into 3 equal pieces you divide 360 by 3,you get 120 degrees. And following the conversion of 120 degree into radian you get 2pie/3 radians.

6 0
3 years ago
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HELP ASAP!!
Arada [10]
Percentage error:

1.55 – 1.53 ÷ 1.53
0.02 ÷ 1.53
.013 x 100
1.3 % error

I hope this is right.
7 0
3 years ago
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A metre rod on wedge is example of unstable equilibrium.why
Wittaler [7]

Answer:

because it has no balance

7 0
3 years ago
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