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I AM HAVING 3 PROBLEMS:

1) A CAR AND A MOTOR CYL. START FROM REST ON A STRAIGHT TRACK. tHE CYC. IS 25 METERS BEHIND THE CAR. CAR ACCEL IS A UNIFORM RATE 3.70 METERS/SEC.2. THE CYLS RATE IS 4.40 METRES/SEC.2

A) TIME BEFORE CYL. OVERTAKES THE CAR?

B) HOW FAR EACH WILL HAVE TRAVELED DURNING THAT TIME?

C) HOW FAR AHEAD WILL THE CYL. BE AHEAD 2 SEC. LATER ASSUNE THE BOTH CONTINUE AT THE SAME RATE.

2) a CAR IS GOING 56 MI/HR SUDDENLY SEES THE LIGHTS OF A BARRIER 130 FEET AWAY. IT TAKE THE DRIVER .750 SEC TO APPLY THE BRAKES (REACTION TIME). WHEN THE BRAKES ARE APPLIED THE MAXIMUM DECEL. IS 30.0 FT/SEC 2? DETERMIN IF THE CAR WILL HIT THE BARRIER OR STOP BEFORE HITTING THE BARRIER

3) a ROCK IS THROWN VERTICALLY UPWARD FROM THE EDGE OF A BUILDING 19.6 METERS HIGH WITH AN INTIAL VELOCITY OF 14.7 METERS/SEC. THE STONE JUST MISSES THE BUILDING ON THE WAY DOWN AND HITS THE STREET BELOW

A) TIME TO REACH THE MAX HEIGHT?

B)TOTAL TIME OF FLIGHT?

C) HEIGHT ABOVE THE BUILDING

D) HEIGHT ABOVE THE GROUND

E) THE VELOCITY OF THE STONE JUST BEFORE IT STRIKES THE GROUND

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# Homework Help: Hw Help

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