A car of mass m = 1200kg travels a distance A, = 2.2 km. At the beginning of the movement the speed of the car is V, = 10m / s and at the end its speed is v = 50 m / s. Determine the work and force exerted on the body, b) the power exerted by the car's engine.
Q: A large cruise ship of mass 6.20 ✕ 107 kg has a speed of 12.2 m/s at some instant. (a) What is the…
A: Write the variable with the given values.
Q: A large cruise ship of mass 6.00 ✕ 107 kg has a speed of 12.6 m/s at some instant. (a) What is the…
A: The mass of a ship is, m=6×107 kg The speed of the ship is, v=12.6 m/s (a) The kinetic energy of the…
Q: If the roller coaster car at the top of the 95.0 m drop hill has a speed of 2.25 m/s, (a) what will…
A: Step 1: Step 2: Step 3: Step 4:
Q: A book starts at rest. If Fa=20.0 N, the mass of the book is 3.00 kg, θ=30º and d = 6.2 m,…
A:
Q: A large cruise ship of mass 6.10 x 107 kg has a speed of 11.8 m/s at some instant. (a) What is the…
A: Given: The mass of ship is m=6.10×107 kg. The speed of the ship is v=11.8 ms. The displacement of…
Q: A 1200-kg car is being driven up a 5.0° hill with a force F. A frictional force acts on the car with…
A: If we apply a force bigger than the force of resistance, then the object will move faster and the…
Q: A large cruise ship of mass 7.00 × 10’ kg has a speed of 10.6 m/s at some instant. (a) What is the…
A: Given, mass of ship, m=7 x 107 kg Speed at some instant, v=10.6 m/s
Q: (a) How long (in s) will it take an 865 kg car with a useful power output of 38.0 hp (1 hp = 746 W)…
A: Work energy theorem formula: W=change in kinetic energy =∆K =Kf-Ki =12mvf2-12mvi2…
Q: A single force acts on a 3.0 kg particle object whose position is given by x= 3.0t-4.0t^2+.5t^3,…
A: The mass of the particle m=3.0 kg The position of the particle x=3.0t-4.0t2+.5t3 The velocity of the…
Q: A young woman on a skateboard is pulled by a rope attached toa bicycle. The velocity of the…
A:
Q: When is the magnitude of the vector product of two vectors the largest? When the two vectors are…
A: Solution:- Correct options is When the two vector s are perpendicular
Q: A large cruise ship of mass 6.00 x 10? kg has a speed of 12.8 m/s at some instant. (a) What is the…
A: a) Let's use the kinetic energy relation in terms of mass and velocity. Ek=12mv2=12×(6.00×107…
Q: A 390 kgkg piano slides 2.8 mm down a 23 ∘∘ incline and is kept from accelerating by a man who is…
A:
Q: A 15.0-g bullet is accelerated from rest to a speed of 780 m/s in a rifle barrel of length 72.0 cm.…
A:
Q: When an automobile moves with constant speed down a highway, most of the power developed by the…
A: Given:Power developed by an engine = 190 HP.Speed of car = 31 m/s
Q: A large cruise ship of mass 6.60 ✕ 107 kg has a speed of 12.8 m/s at some instant. (a) What is the…
A: a) we know that Kinetic energy = 0.5 mV^2 Substituting values we get KE = 5.4 x 109 J
Q: A bullet with a mass of 14.5 g is accelerated along the length of a 73.5 cm long rifle barrel from…
A: The given mass of the bullet is m =14.5 = 0.0.145 kg Velocity of the bullet at the time of bullet…
Q: A large cruise ship of mass 6.30 x 107 kg has a speed of 10.2 m/s at some instant. (a) What is the…
A:
Q: A massm1=5.3 kgrests on a frictionless table and connected by a massless string to another…
A:
Q: A 980 kg car travels a distance of 6.00 m uphill along a road that makes an angle of 30.0∘ with the…
A: Mass of the car m = 980 kg.Distance is given as s = 6 m.Angle is given as Accelration of the car
Q: es that we have studied about how to compute the work done on a system due to an ex-ternal force.…
A: Work is a form of energy but it always comes into picture when energy is being transferred from one…
Q: A large cruise ship of mass 6.00 x 10 kg has a speed of 12.8 m/s at some instant. (a) What is the…
A:
Q: A large cruise ship of mass 6.80 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) What is the…
A: a)Kinetic energy is,
Q: A container is thrown vertically downwards, at the moment it is thrown it has a kinetic energy of…
A: According to conservation of total mechanical energy, the sum of kinetic energy and potential energy…
Q: A man pulled a 19.0 kg object 15.0 cm vertically with his teeth. (a) How much work (in J) was done…
A: A a. Given Mass of the object pulled by the man is m=-19kg Object is lifted +15 cm =15×10-2m…
Q: When an automobile moves with constant speed down a highway, most of the power developed by the…
A: The objective of the question is to estimate the total friction force acting on the car when it is…
Q: A large cruise ship of mass 6.30 ✕ 107 kg has a speed of 13.0 m/s at some instant. (a) What is the…
A: Given: The mass of ship is m=6.30 ✕ 107 kg. The speed of ship is v=13.0 m/s. The displacement is…
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- A 390 kg crate hangs from the end of a rope of length L = 12.0m. You push horizontally on the crate with a varying force F → to move it a horizontal distance d = 3.50 m to the side. Find the work your force F → does on the crate in Joules.A large cruise ship of mass 6.30 x 107 kg has a speed of 11.8 m/s at some instant. (a) What is the ship's kinetic energy at this time? (b) How much work is required to stop it? (Give the work done on the ship. Include the sign of the value in your answer.) (c) What is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.90 km?A large cruise ship of mass 6.70 ✕ 107 kg has a speed of 10.4 m/s at some instant. (a) What is the ship's kinetic energy at this time? J(b) How much work is required to stop it? (Give the work done on the ship. Include the sign of the value in your answer.) J(c) What is the magnitude of the constant force required to stop it as it undergoes a displacement of 2.70 km?
- A large cruise ship of mass 7.00 ✕ 107 kg has a speed of 12.2 m/s at some instant. (a) What is the ship's kinetic energy at this time? J(b) How much work is required to stop it? (Give the work done on the ship. Include the sign of the value in your answer.) J(c) What is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km? NA car with mass 1520 kg is traveling down the highway at a speed of 18 m/s when the driver slams on the brakes due to an accident up ahead. The car eventually comes to rest.According to the work-energy theorem the work is related to the change in kinetic energy, Wnet = Δ KE = KEfinal - KEinitial.(a) Using the work-energy relationship, determine how much net work is done on the car from the brakes? Report the magnitude of the the work (positive value) even though the work from brakes will be negative since the car is slowing down._____ J(b) The brakes apply a force of 24000 N to the car in order to make it stop. Using the fact that W = F d and the fact that the you found the work done (magnitude) by the brakes in part (b), determine the stopping distance, d, of the car.____ mAn applied force of 20 N i pushes an object that is initially at rest over a horizontal surface. The coefficient of kinetic friction is 0.450 and the mass is 1.4 kg. If the net work done at some point is 60.6 J, what is the object's speed at that point?
- A large cruise ship of mass 6.00 ✕ 107 kg has a speed of 12.4 m/s at some instant. (a) What is the ship's kinetic energy at this time? J(b) How much work is required to stop it? (Give the work done on the ship. Include the sign of the value in your answer.) J(c) What is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.40 km? NWhen an automobile moves with constant speed down a highway, most of the power developed by the engine is used to compensate for the mechanical energy loss due to frictional forces exerted on the car by the air and the road. If the power developed by the engine is 195 hp, estimate the total friction force acting on the car when it is moving at a speed of 30 m/s. One horsepower equals 746 W.A large cruise ship of mass 6.80 x 107 kg has a speed of 11.6 m/s at some instant. (a) What is the ship's kinetic energy at this time? J (b) How much work is required to stop it? (Give the work done on the ship. Include the sign of the value in your answer.) J (c) What is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.80 km? N
- A car of mass 800.0 kg accelerates away from an intersection on a horizontal road. When the car speed is 39.6 km/hr (11.0 m/s), the net power which the engine supplies is 3900.0 W (in addition to the extra power required to make up for air resistance and friction). Calculate the acceleration of the car at that time.Suppose the mass of a loaded elevator is 1300 kg. a) What force, in newtons, must be supplied by the elevator's cable to produce an acceleration of 0.715 m/s2 upwards against a 195-N frictional force? b) How much work, in joules, is done by the cable in lifting the elevator 21.5 m? c)What is the final speed, in meters per second, of the elevator if it starts from rest? d) How much work, in joules, was converted into thermal energy by friction? i just need part d because I keep getting the question wrong.Suppose a 975-kg car can produce a useful power output of 45.5 hp (1 hp = 746 W). (a) How long, in seconds, will it take the car to reach a speed of 15.5 m/s, neglecting friction. (b) How long, in seconds, will this acceleration take if the car also climbs a 2.9-m high hill in the process?