F12–39. Determine the speed of block D if end A of the rope is pulled down with a speed of va = 3 m/s. B C

Q: F12–40. Determine the velocity of block A if end B of the rope is pulled down with a speed of 6 m/s.…

A: Given data: The free end of the rope is pulled downward with velocity VB = 6 m/s. The Pulley block…

Q: R12-10. Determine the time needed for the load at B to attain a speed of 8 m/s, starting from rest,…

A:

Q: F12–47. The boats A and B travel with constant speeds of VA = 15 m/s and vg = 10 m/s when they leave…

A: Distance travelled by boat A and B after 4s Position vector of boat A and boat B after 4s

Q: Specifically a dynamics problem. Question and diagram in pic below.

A:

Q: R12–8. Car B turns such that its speed is increased by (a)B = (0.5e') m/s², where t is in seconds.…

A: Given data: The tangential acceleration is at=0.5et m/s2. The expression for the acceleration is:…

Q: F13–4. The 2-Mg car is being towed by a winch. If the winch exerts a force of T = 100(s + 1)N on the…

A: Given data: Mass of the car = 2Mg = 2000 kg From the question, The force acting on the car through…

Q: Q3 Determine the constant speed in m/s at which the cable at A must be drawn in by the motor in…

A:

Q: F12-44. Determine the velocity of cylinder B if cylinder A moves downward with a speed of va = 4…

A: Given :

Q: The position of the particle is given by s = (2t^2 - 8t + 6) m, where t is in seconds. Determine the…

A: The position of the particle is given as, It is known that, Calculating the time when the velocity…

Q: Practice problems: Practice 1: T(N) Given: The 500 kg log rests on the ground (coefficients of…

A: Given, m=500 kgμs=0.5μk=0.4 T=400t2    0<t<46400     t>4

Q: F12–42. Determine the velocity of block A if end F of the rope is pulled down with a speed of vf = 3…

A:

Q: 1.506 If the roller coaster starts from rest at A and its speed increases at at = (6-0.06s)m/s²,…

A:

Q: A rocket is launched vertically at time t=0. The elevation of the rockert is given by    y=…

A: For Maximum velocity, dV/dt = 0.

Q: Determine the speed of block A

A: GIven: To determine: The velocity of block A, VA

Q: h BI A

A: Given Data  Speed of the rope pulled down with a speed of 3 m/s VB=-3 m/s

Q: The thrust on the 4-Mg rocket sled is shown in the graph. Determine the sleds maximum velocity and…

A:

Q: The constant 8-N force is pulling the 2-kg crate across the horizontal surface. If the coefficient…

A:

Q: The position of a car moving on a straight highway is given by   x= t^2t- t^3/90 ft     where t…

A: We have to determine  (a) the distance traveled by the car before it comes to a stop (b) the maximum…

Q: B A

A:

Q: F12–44. Determine the speed of cylinder B if cylinder A moves downward with a speed of va = 4 ft/s.…

A: Any action that can change the state of motion is known as force. Force is described by its…

Q: If block A is intended to move vertically at a constant rate of 2.36m/s, determine the rate (m/s) at…

A:

Q: F12–43. Determine the velocity of car A if point P on the cable has a speed of 4 m/s when the motor…

A: Given data: The speed of point P is vP = 4 m/s.   Assuming the distance between the left most pulley…

Q: Q.2: Determine the speed of block B if the end of the cord at A is pulled down with a speed of 2…

A:

Q: Q3/ Determine the vertical rise h of the load W during 3 seconds if the hoisting drum wraps cable…

A: Given Data v=5t3/2 and t=3sec

Q: The position vector of a particle is given by r = 11ti + 2.0t²j - 0.9(t3-5)k, where t is the time in…

A:

Q: 4) If the block has mass of 60 kg and its initial velocity is 1.1 m/s (at x = 3 m), determine the…

A:

Q: R12-8. Car B turns such that its speed is increased by (a)a = (0.5e') m/s, where t is in seconds. If…

A:

Q: Determine the speed of block A after 1 second, if the rope drawn towards M at a speed of VM =…

A:

Q: Q1: The rubber mallet is used to drive a cylindrical plug into the wood member. If the impact force…

A: From the newtons second law of motion, Here, impulse is

Q: 1. A rocket is launched vertically at time t = 0. The elevation of the rocket is given by y =…

A:

Q: 12.9 Q6 Determine the maximum constant speed in km/h at which the pilot can travel around the…

A:

Q: R14-3. The block has a weight of 1.5 lb and slides along the smooth chute AB. It is released from…

A:

Q: A- The sports car has a mass of 2300 Kg and accelerates at 6 m/s, starting from rest. If the drag…

A: engine has to accelerate the vehicle and at the same time overcome the drag force. FD = Drag force =…

Q: 12-202. If the end A of the cable is moving at va =3 m/s, determine the speed of block B. VA = 3 m/s

A: Given Velocity = 3 m/s To find Speed of the block B

Q: 12-207. Determine the speed of block A if the end of the rope is pulled down with a speed of 4 m/s.…

A: According to the information we have to calculate the speed of the block we have pulled down the…

Q: If the motor exerts a constant force of 235N on the cable determine the speed of the 18.5kg crate…

A:

Q: The constant 8-N force is pulling the 2-kg crate across the horizontal surface. If the coefficient…

A: Find the time to 3m/s to 12 m/s .

Q: c) Determine the speed va that the cable is pulled at if the block M moves upwards with speed Vg = 2…

A:

Q: A Ms 60 3 20kg 30

A:

Q: Q1 A plow located on the front of a truck scoops up a liquid slush at the rate of 12 ft/s and throws…

A: Given   Specific weight = 5.5 lb/ft3             Velocity = 14 ft/s

Q: Q2) If the motorcycle leaves the ramp traveling at 110 ft/s, determine the height h ramp B must have…

A:

Q: initially, the car travels along a straight road with a speed of 30 m/s. If the brakes are applied…

A:

Q: For a short period of time, the frictional driving force acting on the wheels of the 2.5-Mg van is…

A:

Q: If block A is intended to move vertically at a constant rate of 2.22m/s, determine the rate (m/s) at…

A: Given  VA = 2.22 m/s     To determine  Speed of pulley B

Q: F12-31. If the motorcycle has a deceleration of a, = -(0.001s) m/s² and its speed at position A is…

A: Given , VA=25 ms , & at=-0.001SWe know that ,

Q: The constant 8-N force is pulling the 2-kg crate across the horizontal surface. If the coefficient…

A:

Q: The winch delivers a horizontal towing force F to its cable at A which varies as shown in the…

A:

Q: F13–8. Determine the maximum speed that the jeep can travel over the crest of the hill and not lose…

A: Given data  radius of arc(R)=250 ft=76.2 m

Q: 1. If the body starts from rest at A and slides 200 ft down the 30° incline, how far will it then…

A:

Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.