L = r x p = rmv = mr²ω
L = 0.25 x 0.75² x 12.5 = 1.758
Answer:
When something is heated, its atoms vibrate. If one end of a metal bar is heated, the atoms at that end vibrate more than the atoms at the cold end. The vibration spreads along the bar from atom to atom. ... Metals are good conductors of heat.
Explanation:
Pressure is force divided by area, P = F/A, so we don't actually care about the dimension of depths, the 0.20 m, in this problem at all. All we have to do to get the area of the boxes is multiple the length times the width, or A= Area = 0.60*0.50 = 0.30 m², then we can just take the 70 N of force and divide by that area to get pressure. So P = 70 N/0.30 m² = 233.33 Pa. Pascals (Pa) are the standard unit of pressure and are the same thing as N/m².
Answer:
The final speed of the ball will be 210 km/h.
Explanation:
Given that
Speed of bat = 90 km/h
Speed of ball= 110 km/h
Speed of the bat will remain constant
Lets speed of the ball after striking the bat is 
As we know that coefficient of restitution given as
Both bat and ball are moving in opposite direction before the collision.
So we can say that
The final speed of the ball will be 210 km/h.
Answer:
1.The unit of potential difference generated between two points is called the Volt and is generally defined as being the potential difference dropped across a fixed resistance of one ohm with a current of one ampere flowing through it. In other words, 1 Volt equals 1 Ampere times 1 Ohm, or commonly V = I*R.
2.Alternate statements of Ohm's law are that the current I in a conductor equals the potential difference V across the conductor divided by the resistance of the conductor, or simply I = V/R, and that the potential difference across a conductor equals the product of the current in the conductor and its resistance, V = IR
Explanation:
hope this helps
