10. Who is working harder, Fred running a 10 min mile pace at a 10% grade or Pete who is 65 kg, cycling on a Monarch ergometer with a resistance of 3.0 kg and a pedal rate of 70 rpm? 11. A 134-pound woman walks at 3.0 mph 0% grade for 5 min, runs at 6.0 mph 5% grade for 30 min. What is her total caloric expenditure?

Q: A force of 49.1 N is applied to a 13.6 kg object. The object moves 5.38 m perpendicular to the…

A: Work done

Q: The 85 kg man pushes against a stationary wall with a force of 250 N for 30 seconds. How much work…

A: Work is basically the dot product between the force and the displacement of the object. The formula…

Q: A 15.1-kg box is being pushed from the bottom to the top of a frictionless ramp. When the box is…

A: Write the given values with the suitable variables. m=15.1 kgW=58 Ju=0 m/sv=1.50 m/s Here, m, W, u,…

Q: A force of 35 N is applied to a 15.3 kg object. The object moves 3.69 m in the direction of the…

A:

Q: Can you please answer number 3 and show all of the work and the steps to the solutions

A: Given data The vector A is given as A = -3i – 9j. The vector B is given as B = -6i + 5j The vector C…

Q: I X

A: Given data- The expression for the Newton's law of universal gravitation is given by F=GMmr2 where M…

Q: Please show all work and answer all parts

A: Given, Mass of baseball = 0.145 kg initial velocity = 40 m/s i  final velocity = -40 m/s i

Q: 16. A 170 pound man wants to design a workout (on a treadmill) that will expend 300 kcal. He wants…

A:

Q: while rearranging a dorm room, a student does 343 J of work in moving a desk 3.3 m. what was the…

A: Work done = 343 J displacement = 3.3 m Fhor = ?

Q: 1. Tom, the cat, is chasing Jerry, the mouse. Jerry runs past Tom at 10.00 m/s. At the same time…

A: Data We have velocity of jerry ,v=10m/s acceleration of tom ,a=3.00m/s2

Q: m 24 cm to 30 cm? (Round your answer to two decimal places.) J =

A: GivenNatural length of spring, Li=24 cm=0.24 mForce required, F=28 NAfter Stretching length of…

Q: A projectile is launched from the edge of a cliff with a velocity of 15.0 m/s at an angle of 30.0…

A: Given Data:- Initial velocity of the projectile is vi=15.0 m/s. The projectile is launched at an…

Q: A cylindrical water tank of radius 12 ft and height 16 ft is half-filled with water. How much work…

A:

Q: What is the potential energy of an airplane that is only 0.5489 km off the ground and weighs 4120 kg

A: Given that, an airplane that is only 0.5489 km off the ground. That means  Distance, d = 0.5489 km…

Q: A car of 850 kg drives at a constant speed of 20 m/s (appromately 45 mph). It is subject to a…

A: Write the given data. m=850 kgv=20 m/sF=420 Ng=10 m/s2

Q: A force of 45.5 N is applied to a 14.3 kg object. The object moves 3.76 m in the opposite direction…

A: The formula for the work done by the applied force is:

Q: An 82 kg person climbs a ladder, gaining 1.1 m in height. Find the work done to accomplish this…

A: Given data:  Mass (m) = 82 kg Height (h) = 1.1 m Required: Work (W)

Q: You place an ice cube in a microwave oven. If it requires 32,165 J to melt the ice cube and the oven…

A: Given data:  Energy (E) = 32,165 J Power (P) = 98 W Required: Time in minutes

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.