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∙ 11y agov = u + at
v = 173 mph
u = 0 mph (assuming taking off from rest)
t = 35.2 s
Thus: 173 = 0 + 35.2a
a = 173/35.2
a = 4.917777... mph/s
(To convert to m.s-2 multiply by 0.44704 => 2.198 m.s-2)
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∙ 11y agoRule: Magnitude of acceleration = Change of velocity / Time interval In linear motion, magnitude of acceleration is the measurement of change in speed in speed per unit time. For example: A car reaches a speed of 20 miles per second in 4 seconds, the magnitude of acceleration is 5 miles per second. a = 20 miles/second divided by 4 seconds = 5 miles per second. Acceleration is a vector, which means it has magnitude and direction. To describe accelerated motion completely, the direction also needs to be included. So it would be 5 miles per second in whatever direction it is going.
10
29.4/3=9.8m/s2
I would imagine that it is uniform acceleration up until terminal speed. However, wind resistance will be higher 10000 feet up, so acceleration may be less at the start
No. A nonzero acceleration means that the velocity is changing, so it can only have a 0 velocity at a single point in time, such as when a ball thrown in the air reaches its peak.
2.165 m/s^2
Rule: Magnitude of acceleration = Change of velocity / Time interval In linear motion, magnitude of acceleration is the measurement of change in speed in speed per unit time. For example: A car reaches a speed of 20 miles per second in 4 seconds, the magnitude of acceleration is 5 miles per second. a = 20 miles/second divided by 4 seconds = 5 miles per second. Acceleration is a vector, which means it has magnitude and direction. To describe accelerated motion completely, the direction also needs to be included. So it would be 5 miles per second in whatever direction it is going.
10
is constantly decreasing until it reaches zero when she reaches terminal velocity. At that point, her acceleration is zero and she falls at a constant speed, experiencing air resistance equal in magnitude to her weight.
The acceleration is always directed downward due to gravity. At the highest point, the acceleration is still acting downward, but its magnitude is zero as the ball momentarily stops before descending back down.
29.4/3=9.8m/s2
When a pendulum reaches its maximum elongation the velocity is zero and the acceleration is maximum
The acceleration due to gravity is approximately 9.81 m/s^2 when a body reaches the ground. This value is constant near the surface of the Earth regardless of the height from which the object falls.
Insufficient information.
As an object falls freely, its acceleration remains constant at approximately 9.8 m/s^2 until it reaches terminal velocity. Once it reaches terminal velocity, the acceleration becomes zero as the forces acting on the object balance out, resulting in a constant velocity.
Acceleration = (change in speed) / (time) = 28/7 = 4 meters per second2Force = (mass) x (acceleration) = (1,000 x 4) = 4,000 kg-m/sec2 = 4,000 Newtons.
Yes, when an object reaches its terminal speed, the acceleration becomes zero because the forces acting on the object (such as air resistance) have balanced out the force of gravity causing the object to fall at a constant speed. This constant speed is the terminal speed of the object.