Homework Help: Phsyics

Posted by Lee Kite on Wednesday, October 3, 2007 at 8:43pm.

An 865 kg (1912 lb) dragster, starting from rest, attains a speed of 26.7 m/s (59.8 mph) in 0.59 s.
(a) Find the average acceleration of the dragster during this time interval.
m/s2
(b) What is the magnitude of the average net force on the dragster during this time?
N
(c) Assume that the driver has a mass of 68 kg. What horizontal force does the seat exert on the driver?
N

Phsyics - bobpursley, Wednesday, October 3, 2007 at 8:52pm
acceleration= changevelocty/time

Forceaverage= mass*acceleraltion

Forceseat= driver mass*acceleration
- Phsyics - Lee Kite, Wednesday, October 3, 2007 at 9:15pm
  A 69 kg diver jumps off a 10.4 m tower.
  (a) Find the diver's velocity when he hits the water.
  m/s
  (b) The diver comes to a stop 2.0 m below the surface. Find the net force exerted by the water.
  N
Phsyics - sydney rae heller, Thursday, October 4, 2007 at 5:13pm
Lee Kite just a fellow question.
Why do you need all this help on Physics?
You need to do your work on your own.
Jiskha Hmework Help Corporations should ban you. Good Day.

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