Answer:
<h2>The answer is 5 s</h2>
Explanation:
The time taken can be found by using the formula

d is the distance
v is the velocity
From the question we have

We have the final answer as
<h3>5 s</h3>
Hope this helps you
Answer:
initial magnitude will be 9 N and direction will be to the right
Explanation:
force= 9N
mass m= 330 grams
acceleartion = a
from newtons 2nd law of motion we write

dP is the chage in momentum dt is time taken and F is the Force applied

this shows that the rate of change of momentum is 9 N
we also know that F= ma
putting values we get

a= 27.27 m/sec^2
The direction of acceleration will along the direction of force applied. So will be the direction of change momentum as in F=ma, mass is the scalar quantity and direction of force dictates the direction of motion. Hence, initial magnitude will be 9N and direction will be to the right
Answer:
60
Explanation:
(hint: speed = distance/time)
factorise 1/10^2 out of both.
add 1/4.5 to 1/9.4 .... common denominator 4.5x9.4
multiply result by 1/10^2
find reciprocal of result
phew !