A 120-kg car starts at rest and accelerates forward, reaching a velocity of 1600 cm/s in 5 s. What average force delivered by the car's engine? the air resistance is negligible. * 384 kg 38.4 N 0.384 kN 0.384 kg None of the above

Q: A 10.0-kg box starts at rest and slides 3.5 m down a ramp inclined at an angle of 10 ° with the…

A: Given: The mass of the crate is m = 10 kg The ramp inclined at an angle is 100 The distance moved by…

Q: 4. A biker is accelerating when she applies the brakes and then speeds up again. The net horizontal…

A:

Q: Andrea wants to demonstrate the importance of safety in the design of elevators. She uses a model…

A: Newton's second law of motion states that the acceleration of an object is directly proportional to…

Q: An 8000-kg engine pulls a 40 000-kg train along a level track and gives it an acceleration 2.4…

A: Mass of engine M=8000 kg, mass of first train M1=40000 kg, acceleration of first train a=2.4 m/s2…

Q: a 2kg model helicopter has a velocity of (4 m/s) at t = 0s. It is accelerated at a constant rate for…

A:

Q: "A 10.0 kg block initially at rest is pulled to the right along a horizontal, frictionless surface…

A: Acceleration a = F/m

Q: A 0.75-kg cart is pulled along a horizontal track by a rope. The rope m of 30 degrees to the…

A:

Q: A loaded truck collides with a car causing huge damage to the car. Which of the following is true…

A: It is mentioned that:A loaded truck collides with a car causing huge damage to the car.To choose the…

Q: A 2000 kg truck with speed 30 m/s suddenly hits the brakes with a constant force of 10000 N.…

A:

Q: Consider the figure below. P=50N Motion 300 10 kg Assume the crate moves with a constant velocity.…

A: Given Mass of crate is m=10 kg Acceleration due to gravity is g=9.80 m/s^2

Q: Mike's car, which weighs 1,000 kg, is out of gas. Mike is trying to push the car to a gas station,…

A:

Q: A 1540-kg car is traveling with a speed of 12.4 m/s. What is the magnitude of the horizontal net…

A:

Q: A parachutist whose mass is 60 kg drops from a helicopter hovering 2000 m above the ground and falls…

A: GivenA parachutist whose mass is 60 kg drops from a helicopter hovering 2000 m above the ground and…

Q: You are standing on a scale in an elevator. While the elevator is at rest, the scale reads 650 N.…

A:

Q: A constant 12.0-N net force acts for 3.0son a 3.0-kg object. What is the object's change of…

A: A force is an influence that can change the motion of an object. Here, we calculate the object,s…

Q: Three forces are acting on a 20kg mass as shown below: (assume North is up) 30N 30N 20 kg + 60N >…

A: Solution:-Step 1:

Q: John and Peter were pushing a 2000 kg car and it reached a speed of 3.0 m/s after starting from…

A:

Q: A 1.75kg basketball with an initial velocity of -8.00m/s hits the floor that applies a force given…

A: Given:- A 1.75kg basketball with an initial velocity of -8.00m/s hits the floor that applies a force…

Q: A heavy metal tray with mass 25.0 kg tray lies on a table. On top of the tray is another stone with…

A:

Q: We start with some review problems A crate of mass 34.2 kg rests on a level surface, with a…

A:

Q: Jane, who has a mass of 81.0 kg, is riding at 15.0 m/s in his new car when she must suddenly slam on…

A: Given: mass m = 81.0 kgspeed v = 15.0 m/stime to stop t =0.5 sec

Q: Assume the resistive force acting on a skater is given by F=-0.14*M*v2, where M is the skater’s mass…

A: Given Force (F)                 = -0.14 M v2 Initial velocity (v0) = 3.4 m/s   ( at t=0 ) Time (t)…

Q: A force of 36 Newtons causes an object to accelerate from rest to a speed of 12 m/s in 6.0 seconds.…

A: Given  Force F=36 N Final speed v=12m/s time t=6s

Q: The graph below is for a 30 kg object. x(m) 120.0 100.0 80.0 60.0 40.0 20.0 5.0 10.0 15.0 20.0 t(s)…

A:

Q: ? Block 1 7m Зт Block 2 Block 3 Look at the diagram above. In terms of m, what must the mass of…

A: Given: The mass of block 2 is 7m.T1  T2  m'g   7mg   3mg    The mass of block 3 is 3m. The pulley is…

Q: A 15 mg object with an initial velocity of 5.7 m/s is acted on by a force, as shown in the graph…

A: Giventhe force-time graph is given as shown in the figure.mass of the object = m =15 mgthe initial…

Q: A typical car travels a distance of 100 km at 110 km/h. It then repeats the journey at 70 km/h. What…

A: According to question --- Given data --  distance - 100 km. first speed (v1) - 110 km/h. second…

Q: W.E-9:A bus moving on a level road with a velocity v can be stopped at a distance of x, by the…

A:

Q: Fill in the blanks  Constant hanger mass (kg)=  0.020 kg Constant net force (N)= hanger mass x g…

A:

Q: Two ropes are attached to a 40 kg object. The rope with a 50 N force points along a direction 37…

A:

Q: In the district soccer championship finals, Elizabeth kicks a 0.96 kg soccer ball with a force of…

A: Mass of the soccer ball, m = 0.96 kg Force applied, F = 28.6 N   From Newton's second law of motion,…

Q: A study found that the coefficient of friction between the ice and curling stone is 0.02. The…

A: Coefficient of friction μk =0.02   Distance d = 30m

Q: A 2500 lb car collides with a 25,000 lb truck. During the collision the car exerts a force of 550 lb…

A:

Q: ) How much work do you do if you carry a 100 N backpack up a flight of stairs with a height of 5 m?…

A: FORCE=100n DISPLACEMENT=5M work done by you=(force)(displacement)=100 X 5m=500J (ANSWER)

Q: what will be the horizontal acceleration of the boulder?

A:

Q: A car travelling at a horizontal path (starting from rest) encounter a resistance four times its…

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: