Two blocks are connected by a very light string passing over a massless and frictionless pulley (Figure 1). Traveling at constant speed, the 20.0 N block moves 80.0 cm to the right and the 12.0 N block moves 80.0 cm downward.

Q: A bead with mass 2.20 × 102 kg is moving along a wire in the positive direction of an x axis.…

A: Answer the following question is

Q: A cheetah accelerates constantly from rest to catch a gazelle. The cheetah covers a distance of 40 m…

A:

Q: A bowling ball weighing 61.5 N initially moves at a speed of 4.00 m/s. How long must a force of 42.5…

A:

Q: Jackie has a car that accelerates at 8.5 m/s2. If the car has a mass of 2300 kg, how much force does…

A:

Q: A student lifts a 1kg object vertically at a velocity of 1 m/s . What is the magnitude of the force…

A: Given Mass of an object is m = 1 kg Acceleration due to gravity is g=9.80 m/s^2

Q: A box of apples of mass 22 kg slides 2.5 m down a ramp inclined at 44o to the horizontal.  The force…

A: mass of box of applies, m = 22 kg Length of ramp, L = 2.5 m Friction force, f = 79 N Degree of…

Q: Mike pushes a box with a mass of 6.97 kg giving it an initial velocity of 3.63 m/s. The box comes to…

A:

Q: An 8.7 kg block slides with initials speed of 1.66 m/s across a level floor. How far does the block…

A: The equation of motion is given by,

Q: A physics student, in a stationary elevator, places a 210.0 g mass on an electronic balance. The…

A: m= 210g

Q: A rock of mass m falls from the top of a cliff and it experiences a significant amount of air drag…

A:

Q: D 6.34 m/s Fose N frins 2. A 1000 kg object is rising. Its speed is increasing at 3 m/s². The force…

A:

Q: A skydiver (46 kg) is falling at 27 m/s when she pulls her parachute cord. The parachute slows her…

A:

Q: A wagon with its passenger sits at the top of a hill. A strong wind suddenly rolls the wagon 188m…

A:

Q: An adventurous archeologist (m = 84.5 kg) tries to cross a river by swinging from a vine. The vine…

A: Given data: Mass (m) = 84.5 kgThe length of the Vine (L)= 10 mThe speed at the bottom swing (V) =…

Q: 4.3. Someone drops a rock from a bridge. ou can neglect air friction as you answer the following:…

A: using,       for t= 0.5 s        for t = 1.0 s         for t = 2.0 s

Q: Starting at rest, a mass of 2.50 kg slides down an incline of 65.0 degrees. If the coefficient of…

A:

Q: It has been determined that a force over 200 N can injure the hand. What is the shortest period of…

A: The objective of this question is to find the shortest period of time it will take to stop a 2 kg…

Q: Papa Smurf (whose mass is 1kg) is sliding at 1.0 m/s over an icy pond that has no friction.  A force…

A: From Newton’s 2nd law, the expression of the force is given as, Here, m and a represent the mass…

Q: A 100 kg desk is pushed across a floor at a constant speed of 1m/s. How much the employee do on the…

A: Mass of desk (m) = 100 kg initial constant speed of desk (u) = 1 m/sfinal speed (v) = 4 m/s

Q: Mark swings a bucket filled with 2.5 kg of water over his head. The length of his arm is 0.52…

A:

Q: A 0.15 kg marble is on a track. It is being held at the top of a hill that is 3 m high. If it is let…

A: Given in question - Mass of the marble (m) = 0.15kg                                  Height of the…

Q: Based on page 30 from the lecture note, match the answers with questions. the initial kinetic energy…

A: Given that: The file cabinet has a mass of 100 kg  you are pushing with a 700 N force in the…

Q: A particle of mass 5.4 kg moves along the horizontal x-axis. In the x direction the only force…

A:

Q: 5. A 2.0 kg ball is thrown horizontally, at 5.0 m/s, from a height of 5.0 m. How fast will it be…

A: Given, mass of the ball, m=2kg ; height of the ball, h=5m

Q: A 2.50-kg block starts from rest at the top of a 30.0° incline and slides a distance of 1.70 m down…

A:

Q: A 2.0 kg block is sliding on a horizontal surface slides to a halt due to friction of magnitude 5.1…

A:

Q: A 0.4 kg ball is thrown vertically upward with an initial speed of 15 m/s as it leaves the throwers…

A: Given: The mass of the ball is 0.4 kg. The initial velocity of the ball is 15 m/s vertically upward.…

Q: A woman pushes an initially stationary 11.3 kg gift up a 15.90 ramp a distance of 7.21 m. If she…

A:

Q: A 80.0 kg skater with the Birmingham Bulls hockey team with an initial speed of 7.8 m/s stops…

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Q: A tired cyclist on a bicycle (102.0 kg combined) starts with an initial velocity of 15.0 m/s at the…

A:

Q: Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the…

A: Apply newton’s second law of motion along the motion of the lift, and substitute 95kg, for m,…

Q: A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a…

A:

Q: A 72 fireman slide down a 3.2 m pole by applying a frictional force of 377 N against the pole with…

A: Given , mass of fireman , m = 72 kg Height of pole , h = 3.2m Frictional force , f = 377 N…

Q: A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x0.The…

A:

Q: A baseball is hit with 200 lbs (889.7 Newtons) of force and given a horizontal velocity of 19 m/s.…

A: Let, the mass of the ball is 1 Kg. In the vertical direction, only force due to gravity is acting on…

Q: A bowling ball weighing 60.0 N initially moves at a speed of 4.20 m/s. How long must a force of 47.5…

A:

Q: A small block with mass 0.200 kg is released from rest at the top of a frictionless incline. The…

A: Given Data :m1 = 0.2 kgm1 = 0.4 kgdistance travelled by m1 in 0.2seconds is 0.508 metersinitial…

Q: 18.710 7. An airplane of mass 1.5x104 kg moves horizontally at a speed of 60.0 m/s. The pilot then…

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Q: Mike pushes a box with a mass of 5.97 kg giving it an initial velocity of 2.64 m/s. The box comes to…

A: Given :- The mass  m= 5.97 kg  The initial  velocity u = 2.64 m/s  Final velocity v = 0 m/s…

Q: An empty pail and a 34 kg wooden mass are tied together by a very light string which passes over a…

A: Wooden mass Coefficient of static friction Coefficient of kinetic friction Acceleration due to…

Q: A 5 kg block is given an initial velocity of 10 m/s. If there is a friction force of 13 N opposing…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: