Answer:
Momentum is 100 kg.m/s
Explanation:
given
mass, m = 5 kg
velocity, v = 20 m/s
To find : momentum (P)
We know that momentum is given by equation:
p = mv
= 5 kg x 20 m/s
= 100 kg.m/s
Answer:
The heavier wagon rolls 1/2 as fast as the lighter wagon.
Explanation:
When the compressed spring that joins them is released then the force acts on both wagons will be of equal magnitude but in the opposite direction. However as the mass of one wagon is twice that of other, so the acceleration will become half of the heavier wagon in comparison with lighter one.
Answer:
400 milli-rems
Solution:
As per the question;
Maximum energy of particle,
Weight, w = 1 kg
Energy absorbed, E =
Now,
Equivalent dose is given by:
1 Gy = 1 J/kg
Also,
1 Gy =
Therefore,
Dose equivalent in milli-rems is given by: