Momentum before the hit:
p = mv = 0.01 * 300 + 1 * 0
Momentum after the hit:
p = 0.01 * 150 + 1 * v
Momentum is conserved:
0.01 * 300 = 0.01 * 150 + v
3 = 1.5 + v
v = 1.5
The velocity of the block after the collision is 1.5 m/s.
Answer:
Force to stretch the wire is 250 N
Explanation:
As we know that modulus of elasticity will remain the same for the wire if the applied stretch to the wire is within elastic limit
So we will have
now we have
so we can write it as
Answer:
17640
Explanation:
Power = workdone/time
Power = (force x displacement)/time
Power = (mg x 60)/60
Power = (1800 x 9.8 x 60)/60
=> power = 17640 watt
Answer:
The ratio of a distance through which any part of a machine moves to that which driving part moves during the same time.
Thank you for posting your question here at brainly. Below is the solution:
E = (h * c) / λ
<span>E = h * f </span>
<span>E = (6.626E-34 J*s) * (6.00E14 Hz) </span>
<span>E = 397.5642E-21 Joules </span>
<span>E = 397.5642 zeptoJoules </span>
