a ball of mass 4 kg falls to the floor; it lands with a speed of 6 m/s. it bounces off with the same speed. show that its momentum has changed by 48 kg m/s
The ball lands to the ground with 6 m/s so, 6 m/s × 4kg = 24kg m/s
It bounce off and goes up so the same 24 change in momentum so 24+24 =48
velocity is a directed value. On its way down, the ball had momentum -24kg-m/s. On its way back up it had momentum +24kg-m/s.
The change is +48kg-m/s
A ball of mass 4kg falls to the floor it lands with aspeed of 6 m/s it bounces off with the same speed show that its momentum has changed by 48 kg m/s
ball of mass 4kg falls to the floor it lands with aspeed of 6 m/s it bounces off with the same speed show that its momentum has changed by 48 kg m/s
A ball of mass 4 kg falls to the floor; it lands with a speed of 6 m/s. It bounces off with the same speed. Show that its momentum has changed by 48 kg m/s.
A ballof mass 4kg faiis to the fioor; it lands with a speed of 6m/s.It bounces offwith the same speed. show that its momentum has changed by 48kgm/s?
To show that the momentum has changed by 48 kg m/s, we need to calculate the initial momentum and the final momentum and find the difference between them.
Momentum is the product of an object's mass and its velocity. Mathematically, momentum (p) is given by the equation:
p = m * v
Where:
p is momentum
m is mass
v is velocity
Given that the ball has a mass (m) of 4 kg and it lands with a speed (v) of 6 m/s, let's calculate its initial momentum.
Initial momentum (p_initial) = m * v
= 4 kg * 6 m/s
= 24 kg m/s
Now, we know that the ball bounces off with the same speed. This means that its final speed is also 6 m/s. Let's calculate its final momentum.
Final momentum (p_final) = m * v
= 4 kg * 6 m/s
= 24 kg m/s
To find the change in momentum, we subtract the final momentum from the initial momentum:
Change in momentum = p_final - p_initial
= 24 kg m/s - 24 kg m/s
= 0 kg m/s
From the calculation, we see that the change in momentum is 0 kg m/s, not 48 kg m/s. Therefore, the statement "its momentum has changed by 48 kg m/s" is incorrect based on the given information.