physics

posted by .

I would like to thoroughly understand each steo to solve this.
In 0.750s, a 7.0kg block is pulled through a distance of 4.0m on a frictionless horizontal surface from rest. the block has a constant acceleration and is pulled by means of a horizontal spring attached to the block. The spring constant is 415N/m. By how much does the spring stretch?

• physics -

solve for acceleration
d=1/2 a t^2 solve for a, then
f=ma solve for f.
Then, knowing F
f=kx

to solve for a

Similar Questions

1. Physics

In 0.780 s, a 6.50-kg block is pulled through a distance of 3.85 m on a frictionless horizontal surface, starting from rest. The block has a constant acceleration and is pulled by means of a horizontal spring that is attached to the …
2. Physics

A block rests on a horizontal, frictionless surface. A string is attached to the block, and is pulled with a force of 45.0 N at an angle è above the horizontal, as shown in Figure 7-23. After the block is pulled through a distance …
3. Physics

A block rests on a horizontal, frictionless surface. A string is attached to the block, and is pulled with a force of 45.0 N at an angle è above the horizontal, as shown in Figure 7-23. After the block is pulled through a distance …
4. Physics

In 0.369 s, a 14.2-kg block is pulled through a distance of 3.60 m on a frictionless horizontal surface, starting from rest. The block has a constant acceleration and is pulled by means of a horizontal spring that is attached to the …
5. physics

In 0.511 s, a 13.1-kg block is pulled through a distance of 3.13 m on a frictionless horizontal surface, starting from rest. The block has a constant acceleration and is pulled by means of a horizontal spring that is attached to the …
6. physics

A -kg block is initially at rest on a frictionless horizontal surface. It is pulled with a constant horizontal force N. How long must it be pulled before its speed is m/s?
7. PHYSICS

A -kg block is initially at rest on a frictionless horizontal surface. It is pulled with a constant horizontal force N. How long must it be pulled before its speed is m/s?
8. physics

A block rests on a horizontal frictionless surface. A string is attached to the block, and is pulled with a force of 60.0 N at an angle θ above the horizontal. After the block is pulled through a distance of 2.00 m, its speed …
9. Physics

A)A block rests on a horizontal frictionless surface. A string is attached to the block, and is pulled with a force of 60.0 N at an angle θ above the horizontal. After the block is pulled through a distance of 2.00 m, its speed …
10. Physics

A 4.9 kg block initially at rest is pulled to the right along a horizontal, frictionless surface by a constant, horizontal force of 14 N. Find the speed of the block after it has

More Similar Questions