If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
mr/v
(mr) 2/v
mv2/r
mv/2
mv/r
Correct answer is C
No explanation has been provided for this answer.
1 : 50
3 : 20
3:4
4:3
20:3
Correct answer is C
25N
90N
96N
250N
960N
Correct answer is D
2.53 x 104ms-1
1.13 x 104ms
8.00 x 103ms-1
4.23 x 103ms-1
6.41 x 104ms-1
Correct answer is B
V = √2gR
V = √2 x 10 x 6.4 x 102
1.13 x 104ms
20.0kg ms-1
10.0kg ms-1
5.0kg ms-1
1.3kg ms-1
0.0kg ms-1.
Correct answer is A
Impulse = Ft = mu - (-mu)
= mu + mu = 2mu = 2 x 5 x 2 = 20kgms-1