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Physics Asked by a SnapAndSolve user · about 2 hours ago

A Car Speeds Up A car is traveling at 10 m/s. After 5 seconds, its velocity increases to 25 m/s. What is...

1. A Car Speeds Up
A car is traveling at 10 m/s. After 5 seconds, its velocity increases to 25 m/s. What is the car's acceleration?
2. A Bicycle Accelerates
A cyclist is traveling at 4 m/s. The cyclist pedals faster, reaching a velocity of 12 m/s in 4 seconds. What is the cyclist's acceleration?
3. A Train Leaves the Station

Answer

  1. Car's Acceleration: Use the formula a = (v - u) / t where v is the final velocity, u is the initial velocity, and t is the time. Here, v = 25 m/s, u = 10 m/s, and t = 5 s. So, a = (25 - 10) / 5 = 15 / 5 = 3 m/s².

  2. Cyclist's Acceleration: Use the formula a = (v - u) / t where v is the final velocity, u is the initial velocity, and t is the time. Here, v = 12 m/s, u = 4 m/s, and t = 4 s. So, a = (12 - 4) / 4 = 8 / 4 = 2 m/s².

  3. Train Leaves the Station: No specific question is provided, so no calculation is needed.

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