You accelerate from 0-28 m/s in 6.0 seconds (about 0-60 mi/hr) in your 1300 kg car. a. Create a qualitative energy bar graph for the situation.  b. what is the conservation of energy equation?  c. How much power is required to accelerate this rapidly?

Q: a) Force F1 does 6 J of work in 9 seconds, force F2 does 4 J of work in 5 seconds, force F3 does 8 J…

A: Power is defined as the rate of doing work. Its SI unit in Watt.P=Wt Work done on a system by all…

Q: Q1: A person weighs 155 lbs and is walking 3.1 miles per hour. How much kinetic energy does the…

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Q: A 9.50 g bullet has a speed of 1.26 km/s. (a) What is its kinetic energy in joules?  ________ kJ…

A: The kinetic energy of the bullet is KE=12mv2=129.50×10-3 kg1.26×103 m/s2=7541.1J≈7.54kJ

Q: 9. Elena and her classmates were attempting to measure the maximum power they can generate by…

A: mass of Elena = 55 kg height = 4 m time = 3.5 seconds a) Work done by Elena = mgh = 55 * 9.8 * 4  =…

Q: •P17 You throw a ball of mass 160 g upward (Figure 6.79). When the ball is 2 m above the ground,…

A: Given data: Mass (m) = 160 g = 0.160 kg Initial speed (Vi) = 19 m/s Final speed (Vf) = 19 m/s…

Q: Conor is in a 1000 kg that elevator accelerates upward at 1.2 m/s2 for 9 m. If the elevator starts…

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Q: 0.5-kg ball has a velocity of 24 m/s. (a) What is the kinetic energy of the ball?  J? (b) How much…

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Q: A 1200 kg frictionless roller coaster starts from rest at a height of 18 m. What is its kinetic…

A: Using law of conservation of energy, the expression for find kinetic energy is…

Q: Q6. You push a 100-kg file cabinet to the right on a rough horizontal surface with a force of 500 N,…

A: Given:-  The mass of the cabinet m = 100 kg  The pushing force is Fpush  = 500 N  The coefficient of…

Q: Kinetic Energy: (a) What is the kinetic energy of a 23 kg dog that is running at a speed of 8 m/s?

A: Given: mass,m= 23 kg  velocity,v = 8 m/s

Q: 2. Study the energy-diagram below and do the following: (a) Label the parts (b) Identify the total…

A: Mechanical energy is sum of kinetic and potential energy.

Q: About 50,000 years ago, a meteor crashed into the earth near present-day Flagstaff, Arizona. Part A…

A: Mass of the meteor  Speed of the meteor when it hits the ground

Q: A 68.5-kg runner has a speed of 3.00 m/s at one instant during a long-distanče event. (a) What is…

A: (a) The kinetic energy of the runner is, KEi=12mv2=1268.5 kg3.00 m/s2=308.25 J=3.08×102 J

Q: You are using a rope to lift a 14.5 kgkg crate of fruit. Initially you are lifting the crate at…

A: given:-      mass of crate of fruit = 14.5 kg    Initial velocity of crate (u) = 0.500 m/s  Tension…

Q: Jane is initially walking at a certain speed so that her kinetic energy is 150 J. Then, the rain…

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Q: 3. a 0.35-kg fruit is falling from a tree with a speed of 5.0 m/s after t = 1.0 s. At t = 2.0 s, the…

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Q: 0.31-kg particle has a speed of 5.0 m/s at point A and kinetic energy of 7.8 J at point B. (a) What…

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Q: A box is being pushed to the right with 112N of force. The box travels a total of 1.5m to the right.…

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Q: The rope is held at an of 628 N is applied to the rope. How rce on the rope do? 3. A 1600-kg car…

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Q: 25. Review. You can think of the work-kinetic energy theorem GP as a second theory of motion,…

A: a) Let the mass of the bullet be denoted by m.The initial and final velocity of the bullet be…

Q: A 0.41-kg particle has a speed of 3.0 m/s at point A and kinetic energy of 8.0 J at point B. (a)…

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Q: Mark pushes a 20.3 kg wagon moving at 1.45 m/s. After 5.6s, he ran and moved at 3.86 m/s. Use the…

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Q: Sheryl is driving along the highway in an 894 kg car. She initially drives at a velocity of 50 m/s.…

A: Given:-  The mass of the car is m = 894 kg  The initial velocity of the car is vi= 50 m/s  The…

Q: 3. a 0.35-kg fruit is falling from a tree with a speed of 5.0 m/s after t = 1.0 s. At t= 2.0 s, the…

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Q: Q7. You push a 100-kg file cabinet up on a ramp with a force of 500 N, your push force is parallel…

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Q: A 0.25 slug (3.6 kg) object begins moving at 46 mph (20.6 m/s). A force slows it down to 37 mph…

A: Mass of the object is m = 3.6 kg Initial speed of the object is u = 20.6 m/s Final speed of the…

Q: 5) A roller coaster at the top of the first hill has 1000J of potential energy and 50J of kinetic…

A: SOlution: as given that at top of hill PE = 1000 J KE = 50 J

Q: A 0.41-kg particle has a speed of 3.0 m/s at point A and kinetic energy of 8.0 J at point B. (a)…

A: (a) Calculate the kinetic energy at point A. KEA = 0.5*m*vA2          = 0.5*0.41*32       = 1.85 J

Q: A 630-kg car speeds up from rest to 43 mph in 3.2 seconds. What is the work done on the car and what…

A: (a) Work done is equal to change in kinetic energy W1=Ekf-Eki=12mvf2-vi2=12630 kg19.2 ms2-0…

Q: Question7 A boy with mass m - 50 kg walks up at h-2 m high stairs at a constant speed in t-25 s.…

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Q: The equation used to solve for Power is: P = W How can we rearrange this equation to solve for time?…

A: The power can be determined by the formula: P=Wt Here, W denotes the work done and t denotes the…

Q: a = 1.2 ms2 A Smart Car accelerates from rest as shown. 12. If the constant acceleration occurs over…

A: We know that W = F.d     =(ma).d   =(860x1.2)x30 =30960 J

Q: A 56.0-kg runner has a speed of 4.10 m/s at one instant during a long-distance event. (a) What is…

A: Mass of runner m = 56 Kg Speed of runner v = 4.10 m/s a) KE of runner = ?  b) KEf/KEi = ?

Q: 1. Sketch the following scenarios and use the appropriate formulas to solve: a) What is the kinetic…

A: a) mass (m) = 3 kg speed (v) = 4 ms

Q: A 9.50-g bullet has a speed of 1.30 km>s.(a) What is its kinetic energy in joules? (b) What is…

A:

Q: Q:3 a) Determine the kinetic energy of a 625-kg roller coaster car that is moving with a speed of…

A:

Q: A 1.50 kg model train initially traveling at 0.50 m/s acceler- ates to 1.00 m/s in 10. s. a. What is…

A: Given data: Mass (m) = 1.50 kg Initial velocity (v0) = 0.50 m/s Final velocity (v) = 1.00 m/s Time…

Q: A 0.37-kg particle has a speed of 4.0 m/s at point A and kinetic energy of 8.2 J at point B. (a)…

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Q: Question 3 A big ship with a mass of 5.95 x 10 kg has a speed of 11.0 m/s at some instant. A. What…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: Matthew pushes a box of toys along a 5 m long ramp that is inclined 3 m high as shown in the figure…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

Q: 2. A 155-g baseball is thrown so that it acquires a speed of 35 m's. (a) What is its kinetic energy?…

A: a) The expression for find kinetic energy of the ball is KE=12mv2 Substitute values in the above…

Q: A helicopter (m = 3000 kg) is cruising at a speed of 60 m/s at an altitude of 200 m. What is the…

A: Total mechanical of object is given asW=K.E + P.EHereK.E=Kinetic energyP.E=Potential…

Q: 1.How much power is required to do 40 J of work in 5 seconds?   2.How much power is required for a…

A: In the questions, different data is given of work done, time, mass, and velocity to find the power…

Q: How much energy is gained by a box of mass 20 kg when a man (a) carrying the box waits for 5 minutes…

A:

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.