physics
posted by brain .
A 4.5 kg object is accelerated from rest to a
speed of 39.2 m/s in 76 s.
What average force was exerted on the ob
ject during this period of acceleration?
Answer in units of N

a = (Vf  Vo) / t,
a = (39.2  0) / 76 = 0.516m/s^2.
F = ma = 4.5 * 0.516 = 2.32N.
Respond to this Question
Similar Questions

PHYSICS
If the object travels a distance of 33.0 m in that time determine the following. (a) The acceleration of the object during the 3 second period. [ is the answer 33/9? 
physics
A 22 g bullet is accelerated in a rifle barrel 43.2 cm long to a speed of 907 m/s. Use the workenergy theorem to find the average force exerted on the bullet while it is being accelerated. Answer in units of N 
Physics
A 19 g bullet is accelerated in a riﬂe barrel 70.6 cm long to a speed of 506 m/s. Use the workenergy theorem to ﬁnd the average force exerted on the bullet while it is being accelerated. Answer in units of N 
Physics
a 3.6 kg object is accelerated from rest to a speed of 34.4 m/s in 42 s. What average force was exerted on the object during this period of acceleration. Answer in units of N. 
Physics
a 3.6 kg object is accelerated from rest to a speed of 34.4 m/s in 42 s. What average force was exerted on the object during this period of acceleration. Answer in units of N. 
Physics
A 3.6 kg object is accelerated from rest to a speed of 34.4 m/s in 42 s. What average force was exerted on the object during this period of acceleration? 
Physics
a 3.6 kg object is accelerated from rest to a speed of 34.4 m/s in 42 s. What average force was exerted on the object during this period of acceleration. Answer in units of N. 
physics
A 20 g bullet is accelerated in a rifle barrel 45 cm long to a speed of 354 m/s. Use the workenergy theorem to find the average force exerted on the bullet while it is being accelerated. Answer in units of N. 
physics
A 12 g bullet is accelerated in a rifle barrel 69.2 cm long to a speed of 864 m/s. Use the workenergy theorem to find the average force exerted on the bullet while it is being accelerated. Answer in units of N. 
Physics
A 5.8 kg object is accelerated from rest to a speed of 53.3 m/s in 55 s. What average force was exerted on the ob ject during this period of acceleration?