An ordinary light bulb consumes 40 W of power. Through what height could a 1000-N object be lifted expending the same amount of power for 6 hours?   Group of answer choices: 360 m 860 m 720 m 650 m 430 m

Q: A helicopter lifts a 71 kg astronaut 12 m vertically from the ocean by means of a cable. The…

A:

Q: QUESTION: A 75 kg carpenter ascends a 7.0 m vertical ladder to a house's flat roof. He then travels…

A: Since we only answer up to 3 subparts so we will answer first 3. Please resubmit the question by…

Q: A child pulls on a wagon with a horizontal force of 75N. If the wagon moves horizontally a total of…

A:

Q: A 67 kg yak has an average power output of 200 W. How long can a yak climb a 3km high mountain?…

A:

Q: a 600 N person runs up a flight of 20 stairs of riser (height) of 20 cm during a 15 second period,…

A:

Q: A worker slides a box of mass 10 kg at a constant velocity, along a flat surface. tHE WORKER IS…

A:

Q: A helicopter lifts a 80 kg astronaut 20 m vertically from the ocean by means of a cable. The…

A: (a). The work done by helicopter is

Q: A 7.3 kg brick moves along an x axis. Its acceleration as a function of its position is shown in the…

A:

Q: A 2,400-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.80 m…

A: GIVEN:- Mass of pile driver = 2400 kg Hight by which pile driver falls before coming into contact…

Q: which of the following is  negative work being done?   Question 10 options:   A man pushes with a…

A: Correct option is (c) An object is pushed with a force of 25 N when the frictional force is a…

Q: A 83.5 kg man walks up a set of stairs in 11.7 s. The man rises 4.5 m in going up the stairs. What…

A: Write the expression for the work done by the man to climb a set of stairs and substitute the…

Q: A certain rain cloud at an altitude of 1.40 km contains 3.20 107 kg of water vapor. How long would…

A: Altitude of the rain cloud,  Mass of the water vapor,  Power of the pump,  Acceleration due to…

Q: A slingshot consists of a light leather cup containing a stone. The cup is pulled back against two…

A: Given data: Force, F=15 N Stretch, x=-1.0 cm=-0.01 m Mass of stone, m=58 g=58×10-3kg x'=-0.21 m

Q: Assume g= 9.8 m/s² near the surface of the Earth. Traveling in a mountainous area, a bus of mass 3…

A:

Q: A 2,200-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 3.40 m…

A:

Q: An elevator in Makati building is weighing 4000 Newtons. A 20,000-watt motor controls the said…

A: Given that, The weight of an elevator, F = 4000 N The power of a motor, P = 20,000 W The elevator…

Q: Your job is to lift 30-kg crates a vertical distance of 0.90 m from the ground onto the bed of a…

A:

Q: A car weighing 500 kg moving against a resistance of 500 N, accelerates from rest to 20 m/s in 100…

A:

Q: You are curious about how the human heart is able to pump blood up to the brain while standing up,…

A: We are given mass of blood which is pumped to brain each heart beat. We are also given the height…

Q: A 1250 kg elevator is carrying passengers of combined mass of 750 kg. As the elevator descends at a…

A:

Q: 3.70-kg particie is subject to a net force that varies with position as snown in the figure. The…

A: GivenMass of particle, m=3.70 kg

Q: How much power will a 260 N student develop if he/she climbs a flight of stairs 12 m from the ground…

A:

Q: A 600-N Marine ir 10.0-m vertical ro rc

A: Given: Force, F=600 N Distance=10 m time=8 sec

Q: 1=2.5 m/s A 4500 kg truck is stuck at the bottom of a ditch. A winch 30° (small motor attached to a…

A: Final velocity = 2.5 m/s Initial velocity = 0 m/s Mass m = 4500 kg Power = 2.05 kW

Q: A 160-kg object is lifted at a constant speed through a height of 36 m by a crane. If the crane…

A: If a body is lifted up to a height  with a constant speed, the force needed is equal to its weigh…

Q: gravitational potential energy

A:

Q: 1) A freight plane has a total mass of 4.00 x 105 kg (including cargo). It starts from rest at sea…

A: Given, Mass of freight plane (M) = 4×105kg  Initial speed (u)= 0 m/s  Initial height(hi) = 0 m (…

Q: A 57 kg man runs up a flight stair having a rise of 4.5 m in 3.5 s. what average power must he…

A:

Q: When an 78.8-kg adult uses a spiral staircase to climb to the second floor of his house, his…

A:

Q: A 2,200-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.00 m…

A: Given,

Q: What information can you use to estimate the peak power output humans are capable of, and how could…

A: How Peak Power Information Can Improve Athletic Performance For sports that require bursts of power,…

Q: A 57.7 kg man walks up a set of stairs in 11.6 s. The man rises 4.2 m in going up the stairs. What…

A: Given,  mass of the man , m = 57.7 kg  time , t = 11.6 s height, h = 4.2 m  Power = Worktime The…

Q: A 6860 kg car traveling at 41 m/s is at the foot of a hill that rises 491 m in 1.7 km. At the top of…

A:

Q: An acorn falls from

A: Kinetic energy = (1/2) mv2  Potential energy = mgh

Q: A 55.5 kg man walks up a set of stairs in 10.2 s. The man rises 4.5 m in going up the stairs. What…

A: Given Data Mass of man, m = 55.5 kg height, h = 4.5 m Time taken, t = 10.2 s Average power (in…

Q: n rain cloud at an altitude of 1.50 km contains 3.20 x 107 kg of water vapor. How long would it take…

A:

Q: total mechanical energy

A:

Q: A mouse of mass 176 g falls 92 m down a vertical mine shaft and lands at the bottom with a speed of…

A:

Q: A rollercoaster with a mass of 3500 kg goes over its first hill with a speed of 15 m/s. The first…

A:

Q: 1. Two blocks are connected by a very light string passing over a massless and frictionless pulley.…

A: Given:-  Two blocks are connected with the string and pulley and the weight of the W1= 12 N block is…

Q: Multiple-Concept Example 13 presents useful background for this problem. The cheetah is one of the…

A: Given : Mass of cheetah (m) is 99 kg Final velocity (v) is 26.6 m/s and time (t) is 4.02 sec.