2. 3. The diagram shows apparatus where a 0.9 kg trolley is being pulled along by a 0.3 kg load on a string over a pulley. 0.9 kg 0.3 kg Assuming no frictional forces, the acceleration of the trolley will be: A. 3.33 ms-² B. 3.00 ms 2 C. 2.45 ms ² D. 1.95 ms ² The string attached to the trolley in Q. 2 would have a tension in it of about: A. 2.2 N C. 5.4 N B. 2.9 N D. 8.8 N

Q: A 1.30-kg toaster is not plugged in. The coefficient of static friction between the toaster and a…

A:

Q: The 1000N cow now sits on the 5kg box. a. What is the total mass of the cow and the box? b. What is…

A:

Q: A 500 g block w/ an a horizontal tabletop a. How far will it b. What is the c tabletop?

A: mass = m = 500 g = 0.5 kg initial speed = Vi= 90 cm/s = 0.9 m/s frictional force = f =0.8 N

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:

Q: A 10 kg box is on the horizontal surface with an exerting force of 95.3 N to start a box in the…

A: Given: Mas of the box = m = 10 kg Force required to start the motion of object = F = 95.3 N Once the…

Q: Consider dropping a baseball from rest at an altitude of 300 m. Assume that the baseball has a drag…

A:

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: A ship of mass 4.5 x 10° kg starts from rest under the force a constant propeller with a thrust of…

A: Express the condition for the ship attain terminal velocity. Fthrust=Fr Here, Fthrust is the thrust…

Q: The force F= 600 lb is shown in the figure. What is the X-component of F in Newton? b. 1. a. What is…

A: Given, F = 600 lb. F is making an angle of 30 degrees with X axis F is making an angle of 30 degrees…

Q: 20. Determine the force of gravitational attraction between a 67-kg father and his 12.8- kg son if…

A: Given data :  Father mass m1 = 67 kg  Son mass m2 = 12.8 kg  Distance between father & son r =…

Q: Normal Force Dependence Total Block Mass Hanging Mass Normal Force n = Mg (N) m Acceleration (kg)…

A: Kinetic frictional force is defined as the friction force obtained when the body is in motion. The…

Q: A 200-g hockey puck is launched at an initial speed of 16 ns up a metal ramp that is inclined at a…

A:

Q: A 0.623 kg. basketball is dropped from the rooftop of a building. If it took the ball 3.5 seconds to…

A:

Q: Hi the last part is telling me it is wrong for the frictional force? im trying to solve but not sure…

A:

Q: In the circuit shown below, V=4V, 1 = 4 A, R1 = 3 2 and R2 = 17 Q2. Using either superposition or…

A: Find Vx

Q: A 40.82kg hunter ropes a 186.05 kg sleeping polar bear and pulls the bear towards him until the…

A: Center of mass is a point where the whole mass of the body is assume to be concentrated. For…

Q: A factory needs to move packages from one level to another using a ramp. They want to choose a…

A: Option (c) is correct.  The Explanation of this problem is given below.

Q: Q2 Is the force field f = ixy + jcxz + kyz conservative?

A: Solution

Q: A 36 kg block is moving across a horizontal surtace at 9.5 ms What is the magnitude of the force…

A:

Q: Santa Clause is about to distribute his gifts, but his reindeer Rudolph is still sleepy. So, instead…

A: Answer: Given: Distance of the bridge is ,D=20 m Frictional force ,f=80 N θ=30 ° (Angle from the…

Q: A 2500 kg roller- coaster completes a loop of radius 16 m in 3.00 s. a. Draw an FBD of the coaster…

A:

Q: 6. Calculate the magnitude of the resultant of three concurrent forces: The first force is 200 N…

A:

Q: www R 52 V 40 ww 02 0.75 2 www 322 www R3 70 84 w

A: Ohm's law Ohm's law determines the relationship between current and potential difference. He says…

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

A:

Q: 7. Answer each of the following questions if the student applied a 550N force to a 100kg box on the…

A: Given data: The force, F=550 N The mass, m=100 kg

Q: Santa Clause is about to distribute his gifts, but his reindeer Rudolph is still sleepy. So, instead…

A: Have a look dear

Q: If your mass on Earth is 55kg, what is your mass on the moon? a. 55kg c. 550 kg b. 55 N d. 550 N

A: Mass is always constant. Mass can not change. Weight change due to change of gravity.

Q: corre hacia acả v constante rueda hacia ac An acrobat who is on the lateral surface of a cylinder,…

A: Hey dear have a look

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: resultant of the five forces shown is 1000 N dire cted u 45 de grees North of East. F 830N 38 b. If…

A:

Q: What is the magnitude of the tension force in rope 1? + What is the magnitude of the tension force…

A:

Q: 1. Find all the forces on Qs. Q2 0.7 m 0.7 m 2 m 0.3 m 1.1 m Qs Q1 = Q3 = Qs = 4 x 10-6 C Q2 = Q4 =…

A: This problem is from Electrostatics. Let's solve this problem by using Coulomb's law. Please have a…

Q: The cart in the figure is attached to special spring that can stretch and compress equally well. The…

A:

Q: A 400-N body starts up the incline of 30o with the horizontal (fk = 0.2) with a velocity of 3m/s.…

A:

Q: 366.3 N 17. What is another term for Kinetic Priction? a. Dynamic Friction b. Starting Friction c.…

A: As per the guidelines, we are supposed to answer only first question, kindly repost the remaining…

Q: 13. Un avión de bombardeo que viaja en línea recta con una rapidez constante de 450 km/h deja caer…

A: Since more than one question is asked, a solution for the first one is provided here. please upload…

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

A:

Q: Luke and his friends will play pinata game. He attached the 5 kg pinata to a string, and he is…

A:

Q: constant force acts on a 5.0 kg object and reduces its velocity from 7.0m/s to 3.0m/s in a time of 3…

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: With a force of 4.0 Newtons, a 20 Newton item is dragged down a level surface at a constant pace. A.…

A: Given, Let fk is the kinetic friction force and μk is the kinetic friction coefficient.…

Q: At the instant shown the 100-lb block A is moving down the plane at 4 ft/s while being attached to…

A: Given:

Q: cted by ropes, as depicted in Figure 1. The coefficient of kinetic friction between m1 and m2 is…

A: Given: The Mass of Block 1 (m1)=2 kg The Mass of Block 2 (m2)=3 kg The Mass of Block 3 (m3)=10 kg

Q: A little jet plane moves at 820km/h as it makes a horizontal circular turn that has a radius of 15.0…

A:

Q: What is the net force of a cart in a tiled floor if its kinetic friction is 20 N and the frictional…

A: Net force is equal to the difference between applid force minus force due to friction.

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!