Answered

At Westonci.ca, we make it easy for you to get the answers you need from a community of knowledgeable individuals. Our platform provides a seamless experience for finding reliable answers from a knowledgeable network of professionals. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

a body of mass 7.5kg is moving with the velocity of 1.2, if a force of 15newton is applied to the body calculate its velocity after 2 seconds

Sagot :

bharathparasad577

The velocity is 5.2 m/s


Force as per the Newton's second law of motion is defined as, for constant mass, mass times the acceleration

F= m x a

where m is the mass of the body in kilograms and a is the acceleration is m/s^2

Now we know that acceleration is nothing but rate of change of velocity

i.e. a= (v -u)/t

where v is the final velocity

u is the initial velocity

and t is the time frame in which change takes place

Now the data given to us is as follows:

Force F= 15 Newton

initial velocity u =1.2 m/s

t= 2 seconds

We are required to find the final velocity v

Now putting the values in the equation,

F= m (v-u)/t

15 = 7.5 (v-1.2)/2

30= 7.5v -9

7.5v=39

v=39/7.5= 5.2 m/s

Hence the velocity is 5.2m/s

For further reference:

https://brainly.com/question/27775837?referrer=searchResults

#SPJ9

Thank you for your visit. We're dedicated to helping you find the information you need, whenever you need it. Thanks for using our platform. We aim to provide accurate and up-to-date answers to all your queries. Come back soon. We're glad you chose Westonci.ca. Revisit us for updated answers from our knowledgeable team.