Physics Questions and Answers
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.
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.
15.0 ms-1
7.5 ms-1
3.8 ms-1
3.0 ms-1
Correct answer is D
M1U1 + M2U2
= (m1 + m2)v
= \(\frac{(0.1 {\times} 15) + (0.4 {\times} 0)}{(0.1 + 0.4)}\)
v = 3ms-1
5.0 ms-2
5.8 ms-2
8.7 ms-2
25.0 ms-2
Correct answer is A
ma = mgsin\(\theta\)
a = \(\frac{5 {\times} 10 {\times} sin30}{t}\)
a = 5ms2
60 ms-1
72 ms-1
84 ms-1
108 ms-1
Correct answer is B
speed = \(\frac{dx}{dt}\)
\(\frac{dx}{dt}\) = 10 + 12t2
\(\frac{dx}{dt}\) = 24t
\(\frac{dx}{dt}\) =24 x 3
\(\frac{dx}{dt}\) = 72 ms-1
-1, 1, 2
1, 1, -2
1, -1, 2
-1, 1, -2
Correct answer is B
F = m (v-u)
= kg x m x S-2
= M1L1T-2
greater than the work function
less than the work function
equal to the work function
equal to the maximium kinetic energy of the electron
Correct answer is A
No explanation has been provided for this answer.