The solar radiation falling on Earth amounts to 1.7833 x 10^14 kW. a. What is the mass (kg) equivalence of the solar energy falling on Earth in a 24 hour period?  b. What is the electricity generated in horsepower (hP) if the efficiency of the solar panel is only 72.3%? Assuming all the energy from the sum is converted into electrical

Q: A 1.50 kg water balloon is shot straight up with an initial speed of 3.00 m/s. (a) What is the…

A:

Q: Under normal conditions the human heart converts about 12.4 J of chemical energy per second into…

A: (a) As 1 kilocalorie = 4186 J. Therefore, 1 cal = 4.186 J.  The energy in calorie used per second…

Q: In the figure below, a block of mass m = 4.5 kg slides head into a spring of spring constant k = 320…

A: In this question we have to find the work done by the spring force, increase in thermal energy of…

Q: (a) Briefly explain the relationship between gravitational potential energy (GPE) and kinetic energy…

A: Relationship between kinetic energy and potential energy due to gravity is              ΔKE =…

Q: A 63kg skier coasts down a 30◦ slope. At the top of the slope her speed is 3.6m/s. She accelerates…

A:

Q: The human heart pumps about 75 mi of blood per heart beat. Assume that the work done by the heart is…

A: Given that, Blood pump per heart beat (L)= 75 ml= 75×10-⁶ m³ Height (h)= 1.70 m Density of blood…

Q: Suppose the mass of a loaded elevator is 1700 KG. (A) what force, in newtons, must be supplied by…

A: Given that:- Mass of loaded elevator=1700kg

Q: A hydroelectric power facility converts the gravitational potential energy of water behind a dam to…

A: (a) The formula for the potential energy of the water is: Substitute the known values and solve for…

Q: Suppose a car travels 108 km at a speed of 30.0 m/s, and uses 2.0 gal of gasoline. Only 30% of the…

A: Given information: The distance the car travels (d) = 108 km The speed of the car (v) = 30 m/s The…

Q: (a) What is the average power consumption in watts of an appliance that uses 5.00 kW⋅h of energy per…

A:

Q: A 17 kg child carries a 910 g teddy bear up the steps of a slide that is 1.6 m above the ground. a.…

A: Given information: A 17 kg child is carrying a teddy bear of having a mass, m=910 g=0.91 kg The…

Q: A 2900kg roller coaster has an i tail velocity of 0m/s at point A on this frictionless track. A.)…

A: A roller coater,  Initial velocity, u = 0 m/s Mass of roller coaster, m = 2900 kg

Q: At t = 1.0 s, a 0.55-kg object is falling with a speed of 6.5 m/s. At t 2.0 s, it has a kinetic…

A: At t1 = 1.0 sec  v1 = 6.5 m/s  t2= 2.0sec  E2= 38J  M =0.55 kg

Q: A 70-kg physicist is running up the stairs of the physics building and makes it up 48 m vertically…

A: (a) Calculate the energy E needed to climb a height of h=48 m. E=mgh=70 kg×9.8 m/s2×48 m=32928…

Q: A 75-kg man is carrying a 50-kg crate as he ascends to the sixth floor of a building through an…

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

Q: A hydroelectric generator converts kinetic energy of water into electrical energy. Each second 2974…

A: a) The total energy available is, TE=efficiencymgh=0.732974 m31000 kg1 m39.80 m/s2133 mTE=2.83×109 J

Q: A hydroelectric generator converts kinetic energy of water into electrical energy. Each second 2178…

A: Here given a hydroelectric generator in each second 2178 m³ passes over a waterfall of height 332 m.…

Q: A weightlifter works out at the gym each day. Part of her routine is to lie on her back and lift a…

A: a) The work does the weightlifter do to lift the barbell one time,

Q: How long (in s) would it take a 1.00 ✕ 105 kg airplane with engines that produce of 100 MW of power…

A: (a) The expression to solve for the kinetic energy of the airplane is as follows:…

Q: A hydroelectric generator converts kinetic energy of water into electrical energy. Each second 234/…

A: Given that Volume of water V = 2347 m3 Net mass of the water m = 2347000 kg Height of fall h = 112 m

Q: [c]A typical bolt of lightning carries billions of joules (1 GJ= 10° J) of energy, but discharges it…

A: Power = work done/time

Q: A 1.8 book has been dropped from the top of the football stadium. Its speed is 4.8m/s when it is 2.9…

A: Energy of system is always conserved. It just changes its form. When only considered the kinematics,…

Q: a) What is the speed of a body of mass 20 kg, moving with a kinetic energy of 9000 J? b) What is the…

A: Given: For part (a): Body mass, m=20 kg Body possess K.E, K.E=9000 J For part (b): Body mass, m=20…

Q: (a) Compute the electrical energy used by a household whose monthly electrical bill is $34, computed…

A:

Q: A 40.0 kg skier skis down a 12.0o slope from a height of 100.0 m to a height of 25.0 m.  1a) What…

A: Given data: The mass of the skier, m=40.0 kg. The angle of inclination of the slope, θ=12°. The…

Q: a) What is the efficiency of an out-of-condition professor who does 1.90 ✕ 105 J of useful work…

A: Useful work done : W = 1.90 ✕ 105 J Heat provided by food: Q = 510 kcal = 2.134 x 106 J…

Q: A hollow block of mass 3 kg is lifted to a height of 10 m in 3 minutes. a. What is the work done in…

A:

Q: (a) What is the average power consumption in watts of an appliance that uses 5.93 kW · h of energy…

A: The energy consumed by any electrical appliance in a given time period is given by following…

Q: (a) What is the kinetic energy in joules of a 1150-kg automobile traveling at 79 km/h? =____ Joules…

A: a. the kinetic energy in joules  is  KE=12mv2=121150kg79km/h×0.2777m/s1km/h2=2.76×105 J

Q: a) What is the efficiency of an out-of-condition professor who does 2.10 ✕ 105 J of useful work…

A: Given that Output work done by the professor Woutput = 2.1× 105 J Input heat taken by the professor…

Q: A 20 kg crate is lifted 200 m above the ground in 5 minutes. (a) How much work is required to lift…

A: Given data: Mass (m) = 20 kg Height (h) = 200 m Time (t) = 5 minutes Required: Work done (W) and…

Q: (I) At room temperature, an oxygen molecule, with mass of  5.31x10-26 kg typically has a kinetic…

A: The mass, m=5.31×10-26 kg   The kinetic energy, K.E=6.21×10-21 J

Q: A small airplane moving along the runway during takeoff has a mass of 690 kg and akinetic energy of…

A: Given: mass of airplane, m = 690 kg  kinetic energy of airplane, K = 25000 J

Q: The energy needed to increase the speed of a certain car from 22 m/s to 54 m/s is 2900 kJ. A) What…

A: A) From the formula to find the change in kinetic energy of a body, we know that, KE= mv2/2 2900000=…

Q: 1. (a) What is the available energy content, in joules, of a battery that operates a 2.00-W electric…

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

Q: A 5 kg object plunged from a height of 19 feet and hits a spring that has a height of 0.6 meters. A)…

A:

Q: (a) What is the kinetic energy in joules of a 1122 kg automobile traveling at 88.9 km/h? (b) How…

A: Given data:  Mass (m) = 1122 kg Initial Speed (v) = 88.9 km/h Final velocity (Vf) = 0 m/s Required:…

Q: The summit of Mount Everest is 8850 m above sea level. (a) How much energy would a 90 kg climber…

A:

Q: An object that measured a mass of 0.89 kg started moving at a speed of 3.89 m/s. After some time,…

A:

Q: A 72 kg skiier goes down a 45 meter tall hill and reaches 26 m/s at the bottom of the hill. What is…

A:

Q: the energy to increase the speed of a certain car from 18 m/s to 24 m/s is 190 kJ (a) What is the…

A: Given: Initial speed of car (u) = 18 m/s. Final speed of car (v) = 24 m/s. Energy given (E) = 190…

Q: You ran to a mountain that is 2km high in 30 min. (a) If your mass is 80 kg, find out what…

A: a) at peak potential energy  U = mgh = 80×10×2000  U = 1.6×106 J

Q: A 25 kg bear slides, from rest, 12 m down a lodgepole pine tree, moving with a speed of 5.6 m/s just…

A: a) The expression for the change in potential is,

Q: height of 5.5 m. a. How much work does the person do? b. What is the increase in GPE of the person…

A: Change in potential energy , =mgh Gravitational potential energy  = mgh  Mg = weight of climber  H =…

Q: A hydroelectric generator converts kinetic energy of water into electrical energy Each second 1022…

A: Given:  Volume, V = 1022 m3 height, h = 208 m  efficiency = 65 %

Q: (a) How long (in s) would it take a 1.50 x 10° kg airplane with engines that produce of 100 MW of…

A: (a) The kinetic energy as well as the potential energy of the plane gained is, KE=12mv2KE=121.50×105…