11. A 56kg weight lifter has to carry a 1000lbs of load 10meters above his current location. Determine the amount of energy needed in kcal. Derive with the formula below, show the cancellation, explain the step by step and DRAW a free body diagram/figure. refer with this: PE1 + KE1 + U1 + WF1 + Q1 + W1 = PE2 + KE2 + U2 + WF2 + Q2 + W2 + E losses.

Q: During a workout, a person repeatedly lifts a 16-lb bar- bell through a distance of 1.1 ft. How many…

A:

Q: What happens to energy as the angle is changed? Why

A: Note:-  “Since you have asked multiple questions, we will solve the first question for you. If you…

Q: 6) In moving from point “I" to point "2" in the figure, which of the following energy terms are…

A: 6.  In moving from point 1 to 2, height increases.

Q: 1. If you wanted to melt ice, then heat it up, and get the water to just barely vaporize, how many…

A:

Q: A small 142 gram (0.142 kg) pinewood derby car sits at the top of a 1.20 meter high sloped…

A: SOlution: Given that m = 0.142 kg h = 1.2 m energy loss = 5% of its energy

Q: 4. One model for the potential energy of a two-atom molecule, where the atoms are separated by a…

A: The potential energy between two atoms in a molecule changes with respect to the internuclear…

Q: . A steel ball falls from a table to the floor and then comes to rest. (a) What changes were taking…

A: A steel ball falls from a table to the floor and then comes to rest.

Q: A hockey puck with a mass of 0.171kg slides over the ice. The puck initially slides with a speed of…

A: Given:  mass, m = 0.171 kg  initial velocity, u = 5.95 m/s  final velocity, v = 2.35 m/s

Q: .  A 68.2-kg sky diver jumped out of an airplane at an altitude of 0.900 km. She opened her…

A:

Q: 6) (a) The United States, with a population of 2.2×10* people, consumes 5×10 1º J per year. What is…

A: Question 6  Given population, P = 2.2× 108  Consume energy, E = 5×1019 per year  Sun radiation…

Q: A worker drives a 0.500 kg spike into a rail tie with a 2.50 ksledgehammer. The hammer hits the…

A: The expression for kinetic energy (KE) KE = 12× Mass (m) × {speed (v)}2

Q: When we stretch a wire , we have to perform work. Why?What happens to the energy given to the wire…

A:

Q: Determine the kinetic energy in joules, of a 2 gram riffle bullet traveling at 1640 ft/sec.

A: Given :  Weight of bullet= m =2 gram                          we know that 1kg=1000 grams…

Q: The light energy that falls on a square meter of ground over the course of a typical sunny day is…

A: a. Write the expression for power.

Q: 1. How far must a 5N force pull a 50g toy car if 30joules of energy are transferred?

A: Hi, Since you have asked multiple question, we will solve the first question for you. If you want…

Q: It is 5.0 km from your home to the physics lab. As part of your physical fitness program, you could…

A:

Q: You are offered a portable fan by an inventor that is more efficient than those sold in department…

A: Input power, Pi=20 WDischarge rate of mass, m˙=0.25 kg/sVelocity, v=8 m/s

Q: | 1. A horizontal cylindrical tank of length 15 m and diameter 2 m is half-full of water. How much…

A: As per our policy, we can answer only the first problem.

Q: 9. A physics student decides to “burn off” some Calories by climbing a ladder. As the ladder is…

A: Part (a) Given data: The mass of the student is m=75 kg. The calories to burn off is E=1 Calorie…

Q: 7.69 The energy grade line for steady flow in a uniform-diameter pipe is shown. Which of the…

A: Energy Gradient Line (EGL) EGL is the graphical representation of sum of static pressure head and…

Q: 1. Kurdapya, a grade 12 STEM student is helping her sister solve this problem. How fast is an oxygen…

A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…

Q: When is potential energy largest? Why?

A: Potential energy of any object is the energy possessed by the object by virtue of position (or…

Q: How much energy is needed to lift an object that weighs 100 N to a height of 5 meters? (Write first…

A: Given  Weight of body W=100N Height h=5m     To find  Energy required E

Q: Question 4) Find a MBR for a person of 80 Kg, the minimum amount of food needed each day is 50 gm of…

A: Average energy required to walk at 5 km/hr  is 5 Kcal/hr

Q: 18 A toy car works by means of a stretched rubber band. What form of potential energy does the car…

A: The Toy car works by means of a stretched rubber band. It is true that it will store POTENTIAL…

Q: mpact extinction 65 million years ago over 50% of all species became extinct, ending the reign of…

A:

Q: 1. What is the work required to cycle 60 revolutions with a resistance setting of 4 kp on a Monark…

A: 1. Given that, 1 pedal revolution = 6 m 1 kp = 10 N Distance, d = 60 revolutions => d = 60*6…

Q: When you put on the brakes on your bicycle, friction heats the steel rims of your wheels. Could this…

A:

Q: Using Kirchoff's Rules determine power dissipated by R4 if: R1: 8ohm, R2: 4ohm, R3: 14ohm, R4:…

A: The power dissipation through the resistor R4 is given by P=I22R4 Use Kirchhoff's voltage law for…

Q: What happens to the energy after the object hits the wall? Why

A: Introduction: From the conservation of the energy, the energy can't be produced and can't be…

Q: 1). what is the speed of a 14 kN body at rest then falling from a height of 238 m. 2). How much…

A:

Q: 3. How long must a 400 W electrical engine work in order to produce 300 kJ of work?

A: GivenPower of electrical engine, P=400 WWork done , W=300 kJ

Q: 3. An object has a kinetic energy of 25 J and a mass of 34 kg, how fast is the object moving? 4. How…

A: 3) Write the expression for the kinetic energy and substitute the required values to determine the…

Q: On a trip, you notice that a 4.64-kg bag of ice lasts an average of one day in your the average…

A: GivenMass of ice bag, m=4.64 kg

Q: 1) the same Two paths lead to the top of a big hill. One is steep and direct, while the other is…

A: Given :- Two paths leads to the top of a big hill ,one is steeper and ther one is less steep but…

Q: I'm trying to understand the different types of energies.  I understand the definitions, but when I…

A: Given definitions: A. Entropy is the measure of the amount of disorder, or randomness in a system.…

Q: mmh One ounce of a well-known breakfast cereal contains 110 Calories (1 food Calorie = 4186 J). If…

A: To determine: The weight of the bareball that could be lifted   Distance of the bareball lifted,…

Q: 1. A person with a basal metabolic rate of 90 W has a continuous (24-hr) average power output,…

A: Write down the given values using suitable variables. Here Q signifies metabolic rate, Q1 signifies…

Q: Without changing the mass or height what else do you think you could do to design a system in which…

A: Answer:-  Given that the gravitational and kinetic energy should be nearly equal without changing…

Q: 1. A 55 kg child on a water slide passes point A at 8.3 m/s. As the child travels from A to B, 3,600…

A: Cfff

Q: 74 kg is interested in jogging on the treadmill as their primary means of exercise, while they…

A: Given:-  The mass of the client m = 74 kg  The number of clients is N = 42  while they listen to…

Q: At a certain location, the solar power per unit area reaching Earth’s surface is 200 W/m2, averaged…

A: The solar power incident on the panel when the total area of the panel is A can be expressed as

Q: 3) A SPRENG Love AND HAS SPRINC IS NATURALLY 16/Fr. FINO THE WORK DONE IN IS feer CONSTANT LONC, THE…

A: Given that,spring constant, k=100 lbfeetstretching length, l1=11 ftstretching length, l2=15 ft

Q: A particular car does work at the rate of about 7.0 k J/swhen traveling at a steady 21.8 m/s  along…

A: Given:The rate of doing work is W=7 kJ/s  The velocity is v=21.8 m/s The distance d=17 km the volume…

Q: The United States Patent and Trademark Office rejects claims for perpetual motion machines (in which…

A: According to the first law of thermodynamics, part of heat supplied to a system is used for…