Answer:
So they can last longer and have more grip than normal on-road cars. They need that in order for them to run well
Explanation:
The period of the block's mass is changed by a factor of √2 when the mass of the block was doubled.
The time period T of the block with mass M attached to a spring of spring constant K is given by,
T = 2π(√M/K).
Let us say that, when we increased the mass to 2M, the time periods of the block became T', the spring constant is not changed, so, we can write,
T' = 2π(√2M/K)
Putting T = 2π(√M/K) above,
T' =√2T
So, here we can see, if the mass is doubled from it's initial value. The time period of the mass will be changed by a factor of √2.
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Answer:
The maximum height of the ball is 2 m.
Explanation:
Given that,
Mass of ball = 50 g
Height = 1.0 m
Angle = 30°
The equation is
We need to calculate the velocity
Using conservation of energy
Here, ball at rest so initial kinetic energy is zero and at the bottom the potential energy is zero
Put the value into the formula
Put the value into the formula
We need to calculate the maximum height of the ball
Using again conservation of energy
Here, h = y highest point
Put the value into the formula
Put the value of y in the given equation
Hence, The maximum height of the ball is 2 m.
C. The bowling ball and the bicycle
p = mv
P of bike = 12x5 = 60
P of rock = 2x20 = 40
P of ball = 5 x 10 = 60
A, yes because the plane is using air resistance and acceleration is increasing while it goes up. Although you don’t know speed, still yes.
