PHYSICS HIGH SCHOOL

A 3,000-N force gives an object an acceleration of 15 m/s2. The mass of the object is

Answers

Answer 1

Answer:

Answer:

force= mass x acceleration

3000 N = m x 15

m= 3000/15

m=200 kg

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8. Follow-up When the ferry leaves Guemes Island and heads backtoward Anacortes, its speed increases from 0 to 5.8 m/s in 9.25 s. What
is its average acceleration?

Answers

The average acceleration of the ferry which leaves Guemes Island and heads back toward Anacortes is 0.627m/s².

Given the data in the question;

Initial speed; $u = 0$

Final speed; $v = 5.8m/s$

Time taken; $t = 9.25s$

To determine the average acceleration, we use the first equation of motion:

$v = u + at$

Where v is final speed, u is initial speed, a is acceleration and t is time taken.

We substitute our given values into the equation

$5.8m/s = 0 + [ a * 9.25s ]\n\n5.8m/s = a * 9.25s\n\na = (5.8m/s)/(9.25s)\n\na = 0.627m/s^2$

Therefore, the average acceleration of the ferry which leaves Guemes Island and heads back toward Anacortes is 0.627m/s².

Answer:

0.63m/s²

Explanation:

The average acceleration can be derived from using the formula:

V = u + at

Where v = final velocity (m/s)

u = initial velocity (m/s)

a = acceleration (m/s²)

t = time (s)

V = u + at

V - u = at

a = v - u/t

a = ∆V/t

According to the provided information; v = 5.8m/s, u = 0m/s, t = 9.25s

a = ∆V/t

a = (5.8-0)/9.25

a = 5.8/9.25

a = 0.627

a = 0.63m/s²

Hence, the average acceleration is 0.63m/s²

Explain the energy transformations that occur when breaking in a hybrid
vehicle.

Answers

it occur kinetic energy

when breaking in a hybrid

vehicle.

hope it helps

Answer:

it occur kinetic energy when breaking in a hybrid

vehicle .

hope it is helpful to you ☺️

Within a single use of the scientific method, which of the following steps can only be performed afterdata is collected?
A. Controls and variables are chosen.
B. The initial experiment is designed.
C. The initial hypothesis is formed.
D. Conclusions are drawn.

Answers

Within a single use of the scientific method, the step which would be performed after we collect data, would be the drawing of a conclusion out of the answers that you've presented - D.

It is usually the case that you first have to analyze the data after you've gather it and then you base your conclusions on it. This isn't, however, always the case.

State whether these questions are true or false.Q1) Distance formula is displacement/time T/F?
Q2)velocity formula is = displacement/time T/F?

Answers

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The given statements are :

Q1) Distance formula is displacement/time T/F?

- False

Q2)velocity formula is = displacement/time T/F?

- True

You and your friends decide that it would be fun to push a rusty old mining cart down a track. If you push it at 3.1 m/s and friction causes it to accelerate at -0.3 m/s², how long will it roll before it stops?