Need help! 2. A stack of bricks with mass m=200 kg issitting on a frictionless ramp, connected to arope as shown. The rope is connectedthrough two frictionless pulleys to a truck,which will pull the bricks up the ramp. IfFtruck=4000 N, what is the acceleration of thestack of the bricks up the ramp?a. -4.14 m/ s?b.4.14 m/ s2c. 16 m/ s?d. 20 m/s2Kẹ. Not enough information is given toFimaSin25 :4004000W9,85125:e slontut25°1962Ftruckz0-9.5sin?5make a determination.254000NF= ma4000 200 kg1160 W3. An object moving to the right slows steadily to a stop and then starts moving to theleft. Which of the following is true of the force on the object?a. The force must be zero when the velocity is zero.b. The force changes direction when the object turns around.e. The force must be due to friction.d. The force is always to the right.The force is always to the left.e

2. A stack of bricks with mass m=200 kg is sitting on a frictionless ramp, connected to a rope as shown. The rope is connected through two frictionless pulleys to a truck, which will pull the bricks up the ramp. If Ftruck=4000 N, what is the acceleration of the stack of the bricks up the ramp? a. -4.14 m/ s? .4.14 m/ s? c. 16 m/ s? d. 20 m/s? e. Not enough information is given to F:ma 4J00 25 1141 Ftruck make a determination. 25 4000N

2. A stack of bricks with mass m=200 kg is sitting on a frictionless ramp, connected to a rope as shown. The rope is connected through two frictionless pulleys to a truck, which will pull the bricks up the ramp. If Ftruck=4000 N, what is the acceleration of the stack of the bricks up the ramp? a. -4.14 m/ s? .4.14 m/ s? c. 16 m/ s? d. 20 m/s? e. Not enough information is given to F:ma 4J00 25 1141 Ftruck make a determination. 25 4000N

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter2: Newton's Laws

Section: Chapter Questions

Problem 10P: . The Kingda Ka roller coaster in New Jersey is the world’s tallest ride of its kind. As the...

See similar textbooks

Similar questions

. As a baseball is being caught, its speed goes from 30 to 0 m/s in about 0.005 s. Its mass is 0.145 kg. (a) What is the baseball’s acceleration in m/s and in Ws? (b) What is the size of the force acting on it?
Suppose a 60.0-kg gymnast climbs a rope. (a) What is the tension in the rope if he climbs at a constant speed? (b) What is the tension in the rope if he accelerates upward at a rate of 1.50 m/s2?
(a) A cat with a mass of 850 kg in moving to the right with a constant speed of 1.44 m/s. What is the total force on the cat ? (b) What is the total force on the cat if it is moving to the left?
. A sprinter with a mass of 80 kg accelerates uniformly from 0 m/s to 9 m/s in 3 s. (a) What is the runner’s acceleration? (b) What is the net force on the runner? (c) How far does the sprinter navel during the 3 s?
A car with a mass of 1000.0 kg accelerates from 0 to 90.0 km/h in 10.0 s. (a) What is its acceleration? (b) What is the net force on the car?
A 5.00105 -kg rocket is accelerating straight up. Its engines produce 1.250107 N of thrust, and air resistance is 4.50106 N. What is the rocket's acceleration? Explicitly show how you follow the steps in the Problem-Solving Strategy for Newton's laws of motion.
1. An 88.0 kg sprinter starts a race with an acceleration of 1.76 m/s2. If the sprinter accelerates at that rate for 30 m and then maintains that velocity for the remainder of the 100 m dash, what will be his time (in s) for the race? ________________ s 2. You work at a garden store for the summer. You lift a bag of fertilizer with a force of 110 N, and it moves upward with an acceleration of 0.732 m/s2. (a)What is the mass (in kg) of the fertilizer bag? ____________ kg (b)How much (in N) does the fertilizer bag weigh? __________ N
1) An object with a force accelerates as shown in the equations: (the picture) What must ay be with the following information? Fx = 300 N Fy = 170 N ax = 27 m/s2
A 1500 kg automobile travels at a speed of 105 km/h along a straight concrete highway. Faced with an emergency situation, the driver jams on the brakes, and the car skids to a stop. (a) What will be the car's stopping distance for dry pavement ( = 0.85)? (b) What will be the car's stopping distance for wet pavement ( = 0.60)?
A 1100 kg car accelerates at 3.40 m/s2. If the car accelerates from rest for 30 seconds, what is the resulting velocity?
Mr. Vollmayer pulls his children (21kg and 24kg) on a sled (5kg). The force of friction on the sled is 60N and he pulls horizontally with 65N. a. What is the normal force on the sled?b. What is the acceleration of the sled?c. How fast will they be moving in 60s if they started from rest?d. How far will they go in this time?
A rope is used to pull a 2.89-kg bucket of water out of a deep well. a. What is the acceleration of the bucket when the tension in the rope is 30.2 N?b. If starting from rest, what speed will the bucket have after experiencing this force for 2.16 seconds?