A toboggan loaded with students (total wight 2838N) slides down a straight snow covered hill with a constant angle, the toboggan is well waxed so theres is virtually no friction. starting from rest the toboggna slides a distance of 72.5m in 17.8s. find the angle in degrees

A man steps outside one winter day to go to work. His icydriveway is 8.0 m long from top to mailbox, and it slopes downwardat 20° from the horizontal. He sets his briefcase on theice at the top while opening the garage, and the briefcase slidesdown the driveway. Ignore friction. (a) What is its acceleration?(b) How many seconds does it take to get halfway to the mailbox?(c) How many seconds does it take to reach the mailbox?(d) What is its speed at the instant it reaches the mailbox?

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An elastic loaded balloon launcher fires balloons at an angle of 38 degrees N of E from the surface of the ground. If the initial velocity is 20.6 m/s, find how far away the balloons are from the launcher when they hit the level ground again. Round the final answer to 1 decimal place.