A 2000 kg car with a 250 HP (1.865 X 105 W) engine accelerates from rest. If all the engine’s power is used to change the car’s speed during the entire trip, how much time does it take for the car to reach 100 mph (44.7 m/s)? Group of answer choices 4.81 s 15.1 s 10.7 s 6.78 s

Q: A 710 kg car drives at a constant speed of 23 m/s. It is subject to a drag force of 500 N. What…

A: Given,mass of the car, m = 710 kgspeed of the car, v = 23 msdrag force, F = 500 Nslope of the…

Q: Consider a situation where you carry a 20-N box up a flight of stairs, raising its elevation by 5 m.…

A: Write the given values with the suitable variables. W=20 Nh=5 m Here, W is the weight of the box and…

Q: A brick lies perilously close to the edge of the flat roof of a building. The roof edge is 50 ft…

A: when an object of mass m is lifted by height h above the ground then its potential energy increases…

Q: A horse can provide sufficient power to pull a wagon with a 200 N force at a steady 3.0 m/s. Suppose…

A: Given data: Force (F1) = 200 N Velocity (v1) = 3.0 m/s New force (F2) = 300 N Required: Speed of the…

Q: Helen asked her mom to take her to the play ground near her house. She loves to scare her mom by…

A: Mass of Helen m=20.4 kg Helen is initially at a height h=3.30 m Since she starts from rest her…

Q: You throw a 20-N rock vertically into the air from ground level. You observe that when it is a…

A: Given: Weight W=20 N Height h'=15.1 m The speed at height h' is v=24.7 m/s The motion is in the…

Q: An object has 400 J of energy when it is traveling at 7 m/s, what is its kinetic energy when it is…

A: Given:KE1​=400 J when v1​=7 m/s Find Out: What is the kinetic energy of the object when it is…

Q: A car accelerates uniformly from rest over a distance of 50.2 meters for 5.84 seconds and then…

A:

Q: A block of ice with mass 3.00 kg slides 2.00 m down an inclined plane that slopes downward at an…

A:

Q: A new record for running the stairs of the Empire State Building was set on February 3, 2003. The 86…

A:

Q: A brick lies perilously close to the edge of the flat roof of a building. The roof edge is 50 ft…

A: The potential energy of a mass M at a height h above the ground is given by, U = Mgh Where, g = 32.2…

Q: In 1.86 minutes, a ski lift raises four skiers at constant speed to a height of 141 m. The average…

A: Given data:  A ski lift raises four skiers at constant speed  Time (t) = 1.86 min Height (h) = 141 m…

Q: An energy diagram for a system is shown. The system has a total energy of E1. T/F? the object will…

A: An energy diagram in the figure where the system has a total energy E1Out of the given statements we…

Q: A 51.0 kg crate rests on a shelf 0.75 m above the floor in a warehouse. A forklift is used to raise…

A: Mass of crate = 51 kg  Height of shelf = 0.75 m  Height of shelf where the crate needs to be put =…

Q: デジタル形式で段階的に解決 ありがとう!! SOLVE STEP BY STEP IN DIGITAL FORMAT An engine consumes 40.0 hp to propel a…

A: The retarding force is 1.99 kNExplanation:Given:Power, P = 40 hpVelocity, v = 15.0 m/s To find:…

Q: This species of bushbaby, galago senegalensis, has been observed to jump to a height of 2.3 m. Its…

A: Height is Time is Mass is Initial velocity is Note:Find:(a) Kinetic energy when body leaves the…

Q: A 5.9 kg object is moving in the positive x direction. When it passes through x = 0, a constant…

A: Mass, m=5.9 kg distance moved,d=5 m Kinetic energy initial, K0=29 J Final energy, KF=0 According to…

Q: What is the work done on an object 32.5 kg to move it 15 m up a 20 degrees incline? 14. What is the…

A:

Q: A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional…

A: Given u=0 (initial velocity at the top of the slide) m=79 Kg (mass of student) h=11.6m (height of…

Q: A 70.0 kg student is running at 4.0 m/s. The student jumps and grabs a rope hanging at 3.0 m from…

A: To solve this problem we use conservation of mechanical energy

Q: The only force acting on a 4.0 kg body as it moves along the x axis varies as shown in the Figure.…

A: We are given force as function of distance. The area under graph gives work done. The work done is…

Q: Q5. A stone weighing 1 kg is dropped from rest from a height of 4 mabove the ground. When it has…

A:

Q: A 710 kg car is moving on level ground at a constant speed of 23 m/s. It is subject to a drag force…

A: Given data:  Force (F) = 500 N Speed (v) = 23 m/s Required: The power (P)

Q: A 1 kg block is pushed with constant force along a horizontal, frictionless track for a period of 10…

A: Given Data : The mass of the block is given as m = 1Kg. The initial velocity of the block is given…

Q: A warehouse worker uses a forklift to raise a crate of pickles on a platform to a height 2.75 m…

A:

Q: 5. A 0.50-kg ball is thrown vertically upward with an initial speed of 16.0 m/s. What is the kinetic…

A: Given Mass of ball = m = 0.50 kg initial velocity= u = 16 m/s We have to calculate the kinetic…

Q: You throw a 24.0 NN rock into the air from ground level and observe that, when it is 14.0 mm high,…

A: weight = 24 N mg = 24m = 24/9.8 m = 2.45 kg H = 14 m V = 16 m/sA)Using work energy theorem…

Q: A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional…

A:

Q: Petra asked her mom to take her to the playground near her house. She loves to scare her mom by…

A: Given:  Petra's mass, m=20.4 kg Height of slide, h=3.30 m g=9.8 m/s2 Let's calculate Petra's speed v…

Q: A puppy lifts up his favorite toy with his mouth performing 500 J of work.in 1.5 seconds. What is…

A: given -         work done by puppy = 500 J       Time taken  = 1.5 sec

Q: A toy robot powered by an electric motor accelerates from rest to 0.800 m/s in 22.0 ms. The total…

A: Write a given value of this question. v=0.800m/s t=22ms=22×10-3sm=740g=0.740kg

Q: A pirate captain forces a prisoner to walk the plank. As the prisoner is walking, they have 50 J of…

A: Kinetic energy of prisoner = 50 J  Potential energy of prisoner = 100 * ( kinetic energy ) = 100 *…

Q: A 6.50 kg ball hangs from the end of a 1.75 m rope. The ball is pulled back until the rope makes a…

A: Solution 15 :- Given data :- mass m = 6.50 kg length of rope L = 1.75 m angle theta (say)= 45°

Q: A (5.00x10^1) kg woman runs up a flight of stairs in 5 s. Her net upward displacement is 5 m. What…

A: Given  Mass is m=50 kg Acceleration due to gravity is g=9.80 m/ s^2 Height is h= 5 m  Time taken is…

Q: An electric engine in a 2.0 kg remote-control toy car has a power output of 4.0 W. How fast will it…

A:

Q: 48. The block lies on a fixed smooth frictionless plane tilted at 43.1° to the horizontal. If the…

A: Given angle  of inclined θ = 43.10   distance covered = 8.56 m

Q: How much kinetic energy does a student of mass 60. kilograms running at 3.0 meters per second…

A:

Q: 4. The power provided by a force can also be written as P = dW/dt = F · dĩ/dt = F · v. A force F =…

A: The force being applied on the object in vector form is written as F=3i-2j+6k N This force is…

Q: Fleas have remarkable jumping ability. A 0.55 mg flea, jumping straight up, would reach a height of…

A: mass = 0.55 mg h = 30 cm Hreality = 20 cm