0
KE = (1/2)mass * velocity squared
KE = 1/2(100 kg)(3 m/s)2
= 450 Joules
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∙ 11y ago
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A 9000kg raiload car movin at 3ms strike a stationary not moving 5000kg railroad car what is the kinetic energy of the 9000kg railroad car before the collision?
It is 40500J.
A 9000kg raiload car movin at 3ms strike a stationary not moving 5000kg railroad car. If the two railroad cars couple and move off togetherafter the collision what is there velocity?
1.93 m/s
What exactely does 1 mss2 mean is it as simple as an objects velocity increasing like eg 1st sec 1ms 2nd sec 2ms 3rd sec 3ms etc?
No, 1 m/s^2 means that an object's velocity is increasing by 1 meter per second every second. So, in the first second, the velocity of the object will be 1 m/s, in the second second, it will be 2 m/s, and so on. The acceleration is constant and the velocity increases linearly with time.
What is the kinetic energy of a bicyclewith mass 10 kg traveling at a velocity of 3ms?
The kinetic energy of the bicycle can be calculated using the formula: KE = 0.5 * mass * velocity^2. Plugging in the values: KE = 0.5 * 10 kg * (3 m/s)^2 = 45 Joules. So, the kinetic energy of the bicycle is 45 Joules.
A 9000kg raiload car movin at 3ms strike a stationary not moving 5000kg railroad car what is the kinetic energy of the 9000kg railroad car before the collision?
It is 40500J.
If a 2kg metal ball hits a 1kg wooden ball at a speed of 3ms and the metal ball continues at a speed of 1ms how fast is the wooden ball going?
This question is all about kinetic energy. Kinetic Energy = 0.5 * mass * velocity^2 Firstly we must assume that no energy is lost to heat and sound, so that kinetic energy is constant throughout the contact. The initial kinetic energy is all in the 2kg metal ball. Using the above formula we find that the energy is 0.5 * 2 * 3^2 = 0.5 * 2 * 9 = 9 J The final kinetic energy must be the same (because of our assumption). The metal ball has a kinetic energy of 0.5 * 2 * 1^2 = 1 J, so the wooden ball must have the remainder, which is 8 J. 8 = 0.5 * 1 * velocity^2 velocity^2 = 16 velocity = square root of 16 velocity = 4 m/s
What is the meaning of 3Ms in management?
Man, Money and Machine
A sprinter accelerates from 1 ms to 3ms in 2s?
And what is the question? If you want the average acceleration for that time, divide the change in velocity, by the time elapsed.
When you throw lollipops into the air with a velocity of 3ms what is the maximum height?
The maximum height of the lollipops can be calculated using the kinematic equation ( \text{max height} = \frac{v^2}{2g} ), where ( v = 3ms ) and ( g = 9.81ms^2 ) (acceleration due to gravity). Plugging in the values, we get ( \text{max height} = \frac{3^2}{2 \times 9.81} \approx 0.46m ).
What does the 3ms stand for in sticky tape?
3M Company (NYSE: MMM), formerly Minnesota Mining and Manufacturing Company until 2002, is an American multinational conglomerate corporation.
An in-line skater traveling in a straight line goes from 3ms to 9ms in 3 s. What is the acceleration?
Calculate the difference in velocity, Then divide that by the time. The result will be the acceleration, in this case, in meters per second squared.
A 9000kg raiload car movin at 3ms strike a stationary not moving 5000kg railroad car. If the two railroad cars couple and move off togetherafter the collision what is there velocity?
1.93 m/s
Calculate the force it would take to accelerate a 650-kg equals vehicle at a rate of 3 ms 2?
F=ma: m = 650kg a = 3ms-2 ( m/s2 ) 650 x 3 = 1950N (1.95kN)
What is absolute volocity?
Use Pythagoras' Theorem to find its value. For example, if it was moving at 3ms-1 in the x direction and 4ms-1 in the y direction, its absolute velocity would be the square root of (9+16), 5ms-1.
If I sum up 2 flows of air Q1 with a Vi 3ms plus Q2 with a velocity Vi 3ms and the flow Q2 I make it pass through the area of the flow Q1 summing both flows. What is the final velocity of the Q3?
Q1 = ( V1 ) ( A1 ) = ( 3 m/s ) ( A1 )Q2 = ( V2 ) ( A2 ) + ( 3 m/s ) ( A2 )A3 = A2 = A1Q3 = Q1 + Q2V3 = ( Q1 + Q2 ) / ( A1 )V3 = ( A1 ) ( 3 m/s + 3 m/s ) / ( A1 ) = 6 m/s
