A 65 kg person rides a 20 kg bicycle at a speed of 11 m/s. The cyclist runs into a parked car and comes to a fast stop. The bike collapses 0.95 m during the crash.  a) Determine the kinetic energy of the cyclist/bike before the crash.  b) Find the average force exerted on the cyclist/bike by the parked car.

Q: PLEASE CHECK YOUR ANSWER 3 or 4 TIMES THE PREVIOUS TUTOR GOT IT WRONG!!!! And please make the answer…

A: Given:Initial speed of the projectile = 47.6 m/sAngle of projectile = 44.2oTime taken = 1.50 s

Q: Q. Which of the following statements about the "Conservation of Energy" is NOT true? A) The total…

A: In the given question we have to choose the correct option which doesn't prove the conservation of…

Q: E) Listen You are travelling in a car at 82.5 m/s. If the car has a mass of 1,050.0 kg and you have…

A:

Q: A7.80 g bullet has a speed of 580 m/s when it hits a target, causing the target to move 6.10 cm in…

A: It is given that m=7.8 g=7.8×10-3 kgu=580 m/sx=6.10 cm=0.0610 m

Q: Select which of the following statements are True or False. Assume Ne VA particle's kinetic eñergy…

A: 1. A particles Kinetic energy can change without having any net work done it. Answer: False…

Q: a .40 kg block initially at rest on a frictionless horizontal surface is acted upon by force of 5.0…

A:

Q: Object A and B have 25 J of kinetic energy. Object B has one-quarter the mass of object A. a.…

A: Kinetic energy of obejct A and B is Mass of obejct B is Work done on each object is Find:(a) The…

Q: When friction acts between an object and the system, how does this change the balance of kinetic and…

A: By observing the option we will answer the given question.

Q: Vo

A:

Q: A car's bumper is designed to withstand a 6.48-km/h (1.8-m/s) collision with an immovable object…

A: Basic Details According to the work energy theorem, the net work done is equal to the change in the…

Q: A car whose weight is 20,000 N (meaning that its mass is about 2000 kg) is travelling at constant…

A:

Q: The specialty of an athlete on the women's track team is the pole vault. She has a mass of 44 kg and…

A:

Q: A baseball pitcher sends a fastball toward the batter with a speed of 40 m/s. The batter swings and…

A: Given:-   The mass of the ball is m = 145 g  The speed of the ball is v = 40 m/s  The distance that…

Q: Problem#4: How much kinetic energy a nail with a of 8.5 g can mass acquire when it is struck by a…

A: Given: The mass of the nail is 8.5 g. The mass of the hammer is 0.5 kg. The initial speed of the…

Q: a block of 0.10 kg is released from rest from the top of a 40 degree frictionless slope. When a…

A: The mass of the block is M = 0.10 kg. The angle of inclination of the slope is θ = 40 ̊. The mass of…

Q: The specialty of an athlete on the women's track team is the pole vault. She has a mass of 60 kg and…

A:

Q: Physics 3 a) How would you demonstrate, using a pen and a sheet of paper, that static friction can…

A: Work done is defined area under Force v/s displacement graph. If force is constant then in vector…

Q: Construct Your Own Problem - Consider humans generating electricity by pedaling a device similar to…

A:

Q: A 10 g bullet moving at 380 m/s strikes a ballistic pendulum of mass 3.5 kg. The bullet emerges with…

A:

Q: A 1.100 kg block slides down a frictionless inclined plane (height 0.800 m), moves across a rough…

A: mass of first block (m) = 1.1 kg Initial height of first block (h) = 0.800 m work done by friction…

Q: Passengers in a car are protected by what is known as a crumple zone, where they absorb energy…

A: Mass is Initial velocity is Final velocity is Note:Find:Kinetic energy absorbed by the crumple zone…

Q: A box of mass 3 kg is moving to the right at 5 m/s and has an acceleration to the left of -2 m/s2.…

A: Hi, as this problem contains multiple sub-parts, hence the first three sub-parts will be solved for…

Q: a) determine the force exerted on the piano by the man.  b) determine the work exerted on the piano…

A: The free-body diagram of the scenario is given as,   Given, Mass, m=390 kg, distance it slides, d=…

Q: A 0.20 kg plastic cart and a 2.0 kg lead cart can both roll without friction along a horizontal…

A:

Q: According to work-energy theorem, change in energy is as a result of work done by a force on an…

A: (a) The points where the force is positive- B The points where the force is zero-A,C,E The points…

Q: 1. A 0.66-kg object with an initial velocity of 3.30 m/s in the positive x-direction is acted on by…

A: According to guidelines we need to solve only first question kindly repost other questions in the…

Q: A locomotive of mass m= 1.134 × 10 kg uses 37.8 kW of power to accelerate at a constant rate for…

A: Let v be the velocity of the locomotive after 15 s, u be the initial velocity, F be the force, m be…

Q: Which of the following statements about the "Conservation of Energy" is NOT true? A) The total…

A: Conservation of energy is one of the fundamental theorem in science which helps us to understand and…

Q: Consider the four possible paths of a body moving through gravity as diagrammed below. Which of the…

A:

Q: A force is acting on a 2.00 kg particle whose position changes with time as x = 4.0 t² - (1/3) t³,…

A:

Q: Using energy considerations, calculate the average force (in N) a 61.0 kg sprinter exerts backward…

A: mass (m) = 61 kg Initial velocity (u) = 2 msFinal velocity (v)= 6.5 msdistance (d) = 25 m Average…

Q: Car A has a mass of 1000 kg and a speed of 30 m/s. Car B has a mass of 2000 kg and a speed of 15…

A: We know thatK.E=12mV2HereK.E=Kinetic energym=mass of objectV=speed of object

Q: Q2/ A conservative force F, = (35 y5 + 28y* + 27y3 + 18y2 + y + 4)N ,acts on a 8 kg body ,as the…

A: Note :- Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the…

Q: An uncontrolled 850 kg car strikes squarely a motorway crash cushion in which the car is brought to…

A:

Q: A ten wheeler truck with a mass of 1.14x104kg is moving at 55 km/hr at the moment that the traffic…

A:

Q: A running man has half the kinetic energy of a boy half his mass. The man speeds up by 1.0m/s and…

A:

Helmholtz Free Energy

The Helmholtz free energy is a thermodynamic potential used to calculate the measure of useful work from a closed system. This system is kept at constant temperature and volume. German physicist Hermann Helmholtz introduced this concept in 1882.