2- A motorboat cuts its engine when its speed is 12 m/s and then coasts to...

Question

Question

2- A motorboat cuts its engine when its speed is 12 m/s and then coasts to rest. The equation describing the motion of the bo

5. A block of mass 4 kg is attached to a spring of force constant k = 400 N/m and placed on a table, the other end of the spr

Answer 1

Answer #1

2. The equation describing the motion of the boats is: -ct Vie Where: vi 12 = m 12 S At t 25 s, we have that v = 5 m/s a. The

Answer 2

Similar Homework Help Questions

A block of mass m 2.00 kg is attached to a spring of force constant k-...

A block of mass m 2.00 kg is attached to a spring of force constant k- 525 N/m as shown in the figure below. The block is pulled to a position x 4.00 cm to the right of equilibrium and released from rest. (o) Find the speed the block has as it passes through equilibrium if the horizontal surface is frictionless m/s (b) Find the speed the block has as it passes through equilibrium (for the first time) if the...
495 N/m as shown in the figure below. The block is pulled to a position -...

495 N/m as shown in the figure below. The block is pulled to a position - 4.40 cm to the right of equilibrium A block of mass m = 2.00 kg is attached to a spring of force constant k and released from rest wwwww x= 0 (a) Find the speed the block has as it passes through equilibrium if the horizontal surface is frictione How much energy is stored in the spring when it is at equilibrium? m/s (b)...
A block of mass m = 2.00 kg is attached to a spring of force constant...

A block of mass m = 2.00 kg is attached to a spring of force constant k = 465 N/m as shown in the figure below. The block is pulled to a position xi = 4.70 cm to the right of equilibrium and released from rest. A spring labeled k has its left end attached to a wall and its right end attached to a block labeled m. The block is initially at a location labeled x = 0. It...

LES AS -110 points SerPSE10 8.3.OP.008. A block of mass m = 2.00 kg is attached...

LES AS -110 points SerPSE10 8.3.OP.008. A block of mass m = 2.00 kg is attached to a spring of force constant k = 435 N/m as shown in the figure below. The block is pulled to a position x; = 5.90 cm to the right of equilibrium and released from rest. = 0 *= x; 6 (a) Find the speed the block has as it passes through equilibrium if the horizontal surface is frictionless. m/s (b) Find the speed...
6. -M10 points SerPSE10 8.3.OP.008. My Notes Ask Your Teacher A block of mass m =...

6. -M10 points SerPSE10 8.3.OP.008. My Notes Ask Your Teacher A block of mass m = 2.00 kg is attached to a spring of force constant k = 495 N/m as shown in the figure below. The block is pulled to a position x; = 5.80 cm to the right of equilibrium and released from rest. WWWWWWWE (a) Find the speed the block has as it passes through equilibrium if the horizontal surface is frictionless. m/s (b) Find the speed...
A block of mass 2.0 kg is attached to a horizontal spring that has a force...

A block of mass 2.0 kg is attached to a horizontal spring that has a force constant of 1200 N/m as shown in the figure. The spring is compressed 10.0 cm and is then released from rest as in the figure. (a) Calculate the speed of the block as it passes through the equilibrium position x=0 if the surface is frictionless. (b) Calculate the speed of the block as it passes through the equilibrium position if a constant friction force...

A horizontal spring attached to a wall has a force constant of k = 900 N/m....

A horizontal spring attached to a wall has a force constant of k = 900 N/m. A block of mass m = 1.30 kg is attached to the spring and rests on a frictionless, horizontal surface as in the figure below. (a) The block is pulled to a position xi = 5.20 cm from equilibrium and released. Find the potential energy stored in the spring when the block is 5.20 cm from equilibrium. 1.22J : Your answer is correct. (b)...
3, A block of mass m = 2.00 kg is attached to a spring of force...

3, A block of mass m = 2.00 kg is attached to a spring of force constant k = 520 N/m as shown in the figure low. The block is pulled to a position ax, -5.15 em to the right of equilibrium and released from rest. x=0 x=x o Find the sped he lodk has as it passes through equililbrium if the horizontal surface is frctionless (b) Find the speed the block has as it passes through equilibrium (for the...
A horizontal spring attached to a wall has a force constant of k = 800 N/m.

A horizontal spring attached to a wall has a force constant of k = 800 N/m. A block of mass m = 1.80 kg is attached to the spring and rests on a frictionless, horizontal surface as in the figure below. (a) The block is pulled to a position xi=6.20 cm from equilibrium and released. Find the potential energy stored in the spring when the block is 6.20 cm from equilibrium. (b) Find the speed of the block as it passes through...

A block of mass m = 2.00 kg is attached to a spring of force constant...

A block of mass m = 2.00 kg is attached to a spring of force constant k = 5.65 x 102 N/m that lies on a horizontal frictionless surface as shown in the figure below. The block is pulled to a position Xi = 5.45 cm to the right of equilibrium and released from rest. x=0 x=x; (a) Find the the work required to stretch the spring (b) Find the speed the block has as it passes through equilibrium m/s