As a pendulum swings from its lowest to highest position, what happens to its potential and kinetic energy Select one O a The potential energy decreases while the kinetic energy increases Ob Both the potential energy and kinetic energy decrease Oc Both the potential energy and kinetic energy increase Od. The potential energy increases while the kinetic energy decreases

Q: on an unknown planet, a 145 g baseball is hit so that it travels straight upward to reach a maximum…

A:

Q: There are two forces on the 6.2 kg crate in the overhead view of the figure below, but only one is…

A: Given- Force (F1) = 11.7 N Acceleration (a) = 10.3 m/s2 θ = 39° Mass of crate (m) = 6.2 Kg

Q: 1. An SUV hauling a trailer is travelling at 25 m/s when the driver hits the brakes. The 1.4 MT…

A: Force brings about motion and changes in it. This force produce acceleration and hence the changes…

Q: 5. A 500 kg car moving on a flat , horizontal road when suddenly it turns in 35 m circular curve. If…

A: Given: The mass of the car is 500 kg. The radius of the path is 35 m. The coefficient of the…

Q: The engine of a 1,301 kg car provides a forward directed force of 5,386 N. If the car accelerates at…

A: Given: The mass of the engine is 1301 kg. The forward applied force by the engine is 5386 N. The…

Q: A 1.8-kg block is released fror incline, its acceleration is 3.0 on the block. a. 4.2 N b. 3.0 N с.…

A: Given values:- Mass of the block,(m)=1.8 kg ----(1) Inclined angle,(θ)=300 ----(2) Acceleration of…

Q: 3. a. You lower a couple boxes out of a window. As you lower them, they acccelerate downward at 2.42…

A:

Q: What is the magnitude of the net force needed to bring a 2085 kg car to rest from 25.6 m/s in 9.3…

A: Given that;- mass, m= 2085 kg vinitial = 25.6 m/s time t = 9.3 s vfinal =0 m/s

Q: A 10 g bullet leaves the 0.75 m barrel of a gun with 250 m/s speed. The force exerted on the bullet…

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Q: -kg man jumps 1.00 m down onto a concrete walkway. His downward motion stops in 0.04 seconds. If he…

A: Here, we calculate the given as follow;

Q: The cart in figure 1 slides in the horizontal plane with an acceleration of          4 m / s². Body…

A: Acceleration of cart is     a = 4 m/s2 Mass of body A is m = 4 kg

Q: 1. Three blocks (m;=1.0 kg, m2=2.0 kg, m3=3.0 kg) are on a surface with a friction coefficient of…

A: Given quantities: masses of three blocks : m1 = 1.0 kg , m2 = 2.0 kg , m3 = 3.0 kg  coefficient of…

Q: Zach, whose mass is 70 kg, is in an elevator going up at 6.0 m/s. The elevator takes 2.0 s to stop…

A:

Q: Wv² A parachutist is falling with speed of 55 m/s when his parachute opens. If the air resistance is…

A: Given, The velocity of the parachutist when his parachute opens:, v0 = 55 m/s The total weight of…

Q: 1. Calculate the x-component of force 100 Ib. Assume positive to the right. O 40V5 Ib O 50 Ib None…

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Q: H.W If m, = 4.00 kg, m, =3.00 kg, and F=9.00 N, find the magnitude of the acceleration of the system…

A: Given data m1=4 kgm2=3 kgF=9 N

Q: rocket launched from the ground accelerates upwards at 15m/s2 . a. What is the upwards force from…

A: Givenm=50 kga=15 m/s2

Q: In the figure shown, two masses being pulled by a force F = 15 N on a horizontal smooth surface. If…

A: Given: The two blocks are pulled by a force of 15 N.            The tension in the string is 5 N.…

Q: A stone is dropped from a height of 45 m. Approximately how long does it take to hit the ground?…

A: Given data:  Initial velocity (v0) = 0 m/s Height (h) = 45 m Required:  Time (t) taken to hit the…

Q: A friction experiment is performed on a planet that has the same size as Earth but half the mass. A…

A:

Q: 3. A 2kg owl jumps directly upward into the air with a speed of 5m/s, but a wind is blowing which…

A:

Q: ans. a) 3.41 N a) What is the tension in the string? m/sec. The length of the string is 1.2 m. The…

A:

Q: 13. 54-kg box is sitting on the floor of a level railroad car which is moving forward with a speed…

A: mass of box = 54 kg speed = 25 m/sa = 5.6 m/s2

Q: A stone has a weight of 40 N on the Mars, where g = 3.7 m/s?. The mass of the stone is a. 4.08 kg O…

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Q: 3.) The driver of mass 80 kg is strapped to the seat of his Ferrari. If she comes to a stop after…

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Q: A 200-N block in contact with a level plane is acted upon by a horizontal force P = 100N. The fk =…

A:

Q: A person is trying to lift a box off the floor. The box has a mass of 55kg and the person can lift…

A: In this question a person is trying to lift a box of 55kg , with a force of 300 N.

Q: man of weight 80 kg is standing in an elevator which is moving with a constant velocity of 6 m/s in…

A: Mass of the man   m = 80 kg Acceleration due to gravity    g = 10 m/s2 Velocity of the lift  v =…

Q: A 48.42kg hunter ropes a 167.82 kg sleeping polar bear and pulls the bear towards him until they…

A:

Q: A 10 N of force is applied to a toy car and toy car accelerates to 2m/s^2. If 20 N of the force is…

A:

Q: The graph shows the motion of an RC helicopter. What will be the average speed from point ‘A’ to…

A: average speed = (distance) / (time) For distance see y - axis  for time see x- axis In  0 to 5…

Q: Starting from a standstill, Abi (mass = 55.00 kg) performs a vertical jump. a.) How much does Abi…

A: Mass of Abi is m = 55.00 kg

Q: A 45.0-kg child swings in a swing supported by two chains, each 3.10 m long. The tension in each…

A:

Q: A 3.0kg cannon ball is shot from a cannon at a speed of 20m/s. The cannon is oriented 50 degrees…

A: We have given, A ball of mass m = 3 kg , initial velocity  u = 20 m/s  angle of projection = 50…

Q: A rock slides up a very slippery ramp which is tilted at an angle 0 above horizontal. It has speed…

A: The rock will stop when final velocity becomes 0 at max distance from bottom. Having this concept we…

Q: BIU As safe as school buses are made to be, there are still sometimes accidents which result in…

A: According to the newton second law of motion, F=ma where F is the force applied on the body, m is…

Q: A student weighs 200 N. If he is in an elevator that is accelerating upward at 2.00 m/s/s, what will…

A:

Q: A 15kg-particle moves in zyz - plane experience a force of F = 12 Ni - 20 N j +10 Nk.Determine the…

A: Given, Mass of object=m=15 kg Force F=12 Ni-20Nj+10Nk as we know that acceleration =ForceMass

Q: A bird has a mass of 24 g and perches in the middle of a stretched telephone line. a. Show that the…

A: In this case, the system is in equilibrium. So, the both the components are zero. The x-components,…