A force of 350 N causes a body to move with an acceleration of 10 m/s2. What's the mass of the body?

A car going 50 mph accelerates to pass a truck. Five seconds later the car is

Alex

The vehicle accelerates at 2.648 m/s².

We have:

Initial velocity, u = 50 miles per hour = 22.352 m/s

final velocity, v = 80 miles per hour = 35.762 m/s

Time, t = 5 seconds

The time in hours is:

t = 5 seconds

Now, the acceleration of the car can be calculated using the formula:

v = u + at

35.762 = 22.352 + a(5)

a(5) = 30

a = 2.682 m/s²

From the calculations above, the acceleration of the car is 2.682 m/s².

Ler more about acceleration here:

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3 0

2 years ago

A least squares regression line was created to predict the Exam 3 score of STA 2023 students based on their Exam 1 score. The st

EleoNora [17]

Answer: Option (1) is the correct answer.

Explanation:

Formula to calculate correlation coefficient is as follows.

Correlation coefficient = $\sqrt{R^{2}}$

As the slope for given equation is positive so, it means that the correlation will also be positive in nature.

Therefore, we will calculate the value of correlation coefficient as follows.

Correlation coefficient = $\sqrt{R^{2}}$

= $\sqrt{(0.288)^{2}}$

= 0.54

Thus, we can conclude that the correlation coefficient, r is 0.54.

8 0

3 years ago

Explain why the speed of light is lower than 3.0 × 108 m/s as it goes through different media.

alexandr1967 [171]

Answer:

air or vacuum is the least refractive index medium of most rare medium

all other medium has more value of refractive index and hence the speed will be less than the speed of the air

Explanation:

As we know that speed of light in any medium and speed of light in air is related to each other by the equation

$v = \frac{c}{\mu}$

here we know that

$c = 3 \times 10^8 m/s$

[tex]\mu [tex] = refractive index of the medium

so we know that air or vacuum is the least refractive index medium of most rare medium

all other medium has more value of refractive index and hence the speed will be less than the speed of the air

4 0

3 years ago

Read 2 more answers

What happens when two continental plates meet ?

dalvyx [7]

Answer:

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Explanation:

8 0

3 years ago

Read 2 more answers

Quentin is playing baseball and is batting. He swings and hits the ball sending it flying to the outfield. Which is greater- the

Bess [88]

Answer:

The force of the ball on the bat is same as the force of the bat on the ball.

Explanation:

A bat hits the ball and the ball moves to the out filed.

According to the Newton's third law, for every action there is an equal and opposite reaction.

The action and the reaction forces acts on the two different bodies but the magnitude of the force is same.

As the ball is hitted by the bat, the bat exerts the force on the ball and the same force is exerted on the bat by the ball according to the Newton's third law.

So, the force of the ball on the bat is same as the force of the bat on the ball but the direction of force is opposite.

5 0

3 years ago