Get the answers you need at Westonci.ca, where our expert community is dedicated to providing you with accurate information. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately.

1. Lirio is exerting a force of 89 N on a nice boulder in her swamp. The nice boulder is 68 kg. What is the acceleration of the nice boulder?

2. If Renae has a mass of 85 kg, and you exert a force of 45N on her, what would her acceleration be?

CAN I PLEASE GET HEPL ON THESE 2 I NEED TO KNOW THE EQUATIONS!!!


Sagot :

Answer:

Step-by-step explanation:

1.

F=ma

89=68a

a=89/69 units/s²

2.F=ma

45=85 a

a=45/85=9/17 units/s²

Problem 1

Answer: Approximately 1.3 m/s^2

---------------

Work Shown:

We'll use the formula F = m*a, which is from Newton's second law.

The force applied is F = 89 newtons. The mass of the boulder is m = 69 kilograms. This means,

F = ma

89 = 69*a

a = 89/69

a = 1.28985507246377

a = 1.3

I rounded to 2 sig figs because the other given values (89 and 69) are to 2 sig figs as well.

=================================================

Problem 2

Answer: Approximately 0.53 m/s^2

---------------

Work Shown:

We'll follow the same idea as problem 1

This time we are given F = 45 and m = 85

So,

F = ma

45 = 85*a

85a = 45

a = 45/85

a = 0.52941176470589

a = 0.53

The acceleration is roughly 0.53 m/s^2, which means that for every second, the speed is increasing by roughly 0.53 m/s.