13–90. The 40-kg boy is sliding down the smooth spiral slide such that z = -2 m/s and his speed is 2 m/s. Determine the r, 0, z components of force the slide exerts on him at this instant. Neglect the size of the boy. r = 1.5 m
Q: *14-28. The 10-lb box falls off the conveyor belt at 5-ft/s. If the coefficient of kinetic friction…
A: Motion of projectile can be divided into x component and y component.
Q: A 1500 kg car was moving +31 "/s (E) in the m S exit lane, but 7.0 s later only +10 "s (E) at the m…
A: Given data: Mass (m) = 1500 kg Initial velocity (Vi) = +31 m/s (E) Time (t) = 7.0 s Final velocity…
Q: 4. A block of mass m = 0.5 kg is kicked so that it slides up a ramp inclined at an angle 0 = 30°. At…
A:
Q: The parachute on a race car of weight 8,815 N opens at the end of a quarter-mile run when the car is…
A: Given: The weight of the parachute is 8815 N. The initial speed is 33 m/s. The final speed is 0 m/s…
Q: A tow truck finally arrives to relieve Granny. Once the car (m = 1600 kg) was hitched up, it was…
A: Given data: Mass (m) = 1600 kg Initial velocity (u) = 0 m/s Final velocity (v) = 25 m/s Distance…
Q: 3. A magnet of mass of 4.00kg is suspended from the ceiling by a cord as shown. A large magnet is…
A: As cord is not cut, the three forces magnetic, gravitational, tension are in equilibrium . As cord…
Q: 3. An 8 kg block initially at rest is pulled to the right for 3 m with a force of 12 N over a…
A: Given : Mass of a block (m) = 8 kg Displacement (d) = 3 m Force (F) = 12 N Initial speed (vi) = 0…
Q: 4) The graph below shows the force exerted on a rocket-propelled cart on a frictionless track as a…
A: Given Mass of the cart (m) = 2.3 kg Initial velocity of the cart (u) = 20 m/s Work done = Area…
Q: #2) If a 10.0 kg weight is released from rest from the top of a 50.0m tall building and we neglect…
A:
Q: A car created 68.5 m long skid marks at a traffic wreck scene. A State Patrol investigator uses a…
A:
Q: Home work: Determine the maximum angle 8 which the adjustable incline may have with the horizontal…
A:
Q: 7) A 4 kg block initially at rest is pulled by an 80 N force at 30° on a surface with a coefficient…
A: Given: A block of mass 4kg pulled by a force of 80N with 30° with surface . Coefficient of friction…
Q: of the ski hill) of 46.4 meters. There is -6610 Joules of energy dissipated due to air resistance…
A:
Q: 2. After one month of taking a literature class, a first-year Bard student decides to dispose of all…
A:
Q: 4. A skydiver with a mass of 70 kg jumps out of a plane from a height of 4000.0 m. After falling…
A: mass (m)=70 kgheight (h)=4000 mfree fall height (s1)=1500 macceleration (a)=7.5 m/s2…
Q: radius R without slipping, the friction force acting on the car and the normal force
A:
Q: ) Friction on inclined surface: A cable pulls a 30.0-kg crate by a distance of 3.00 meters up along…
A:
Q: A 1216-lb object is launched from the ground with an initial upward velocity of 70 ft/sec. The…
A:
Q: E-4 A 3.00kg block is initially sliding to the right on a frictionless surface at 7.00m/s. Force P…
A: Solution: Mass of block , m=3Kginitial speed , Vi=7m/smagnitude of P Vaxis as time
Q: 1 2 4 -2 -3 Position x(m) Consider a 1kg object. At x = 0, the object has initial velocity +v m/s.…
A: Using work energy theorem Work done = change in kinetic energy In this case work done will be area…
Q: A 62.0-kg person jumps from rest off a 2.50-m-high tower straight down into the water. Neglect air…
A:
Q: A 52.1-kg skier moving horizontally at 4.91 m/s encounters a 20.7° incline. a) How far up the…
A:
Q: I kg is initially A wedge of mass driven up a frictionless ramp by a horizontal force F = 50 N due…
A: Since you have posted question with multiple sub-parts. We will solve first three sub-parts for you.…
Q: Question 7 Figure shows the velocity graph of a 65 kg student in an elevator. What is the student's…
A: The apparent weight be defined as, Wapp=W1+ag=Wgg+a=mggg+a=mg+a ..........1 Where, a…
Q: Estimate the average force exerted by a shot-putter on a 7.3-kg shot if the shot is moved through a…
A: Initial speed, u=13 m/sMass, m=7.3 kgDistance,s =2.7 m
Q: 6- A 900 g particle has velocity vx = -5.0 m/s at t = -2 s. Force Fx (t) = 50.e4t Newton is exerted…
A: The mass of the particle is m=900 g= 0.9 kg. The initial velocity vx=-5 m/s at t=-2 s. The force…
Q: Suppose a box enters a region of frictional floors, as seen in Fig. 3. x = 0 μ1 1₂ H3 μ4 H45 μ6 d…
A: Given that the initial position of the box is x=0m the initial velocity of the box is vo=10m/s mass…
Q: 5) (ex) Mass on incline: A cable pulls a 30.0-kg crate by a distance of 3.00 meters up along a…
A:
Q: (8c5p32) A 120 kg crate is pushed at constant speed up the frictionless 32° ramp shown in the…
A: Visualize the Problem:
Q: F(x) A 8kg block initially at rest is acted on by the force shown at an angle of e = 20°. The…
A:
Q: 2.The 10kg crate is being pushed 5m along a floor by an 80.0-N force, applied at a 20.0 degree angle…
A:
Trending now
This is a popular solution!
Step by step
Solved in 6 steps with 6 images
- 7. An 8.00 kg block is released from rest and slides 1.60 m down a 40° slope. Its speed at that point is 4.00 m/s. Find the magnitude of the frictional force on the block. 'i= 0 m/s V2= 4 m/s 1.6 m 40°A bowling ball of mass m=2.6 kg drops from a height h = 12 m. A semi-circular tube of radius r = 5.4 m rest centered on a scale. A) Write an expression for the reading of the scale when the bowling ball is at its lowest point, in terms of the variable in the problem statement B) What does the scale read in newtons.60.A 60.0-kg skier with an initial speed of 12.0 m/s coasts up a 2.50-m high rise as shown. Find her final speed at the top, given that the coefficient of friction between her skis and the snow is 0.80. K₁ 35° V₁ = ? 2.5 m
- A 149-g baseball is dropped from a tree 15.0 m above the ground. a) With what speed would it hit the ground if air resistance could be ignored? b) If it actually hits the ground with a speed of 8.00 m/s , what is the magnitude of the average force of air resistance exerted on it?3. Suppose a box enters a region of frictional floors, as seen in Fig. 3. x = 0 1 μ1 H₂ μ3 μ4 H5 μ6 d The box with mass m = 2 kg enters the region with initial speed vo = 10 m/s. Each of the frictional patches has a length of d = (10/19.62) m. The n-th frictional patch has a coefficient of kinetic friction given by un. (a) What is the initial kinetic energy of the box? hope (b) f 0.3 for all , how far goes the bleek travel before stopping? Find the thermal energy of the system at the end of each patch trayersed Do the same if un (d) Do the same if µn = (10/11)". (Does this one ever stop?) m VoA 1.3 kg particle moving along the x-axis experiences the force shown in the figure. The particle's velocity is 4.0 m/s at x=0m. What is its velocity at x=2m? What is its velocity at x=4m?