crops of kineuc ernergy. Do not ignore air resistance. H1ow much gravitadonal potenu nergy did the ball 1ose? more than 30J less than 30 J exactly 30 J Cannot be determined from the information given.
Q: The 25-Kip Force shown in the Ggure. below makes t-axis.Determine of an acgle of 4o" the t and o…
A:
Q: 75kg skater starts with initial speed of 0m/s 10m above geound. Just before he reaches the ground…
A:
Q: A 42-kg pole vaulter running at 11 m/s vaults over the bar. Her speed when she is above the bar is…
A:
Q: 8. Before the invention of the electri their food cool with blocks of ice in the home. a) Calculate…
A: work done by external agent to lift the block is equal to negative work done by gravitational force…
Q: Problem 3: The force F = (6.55 N)i + (5.79 N)j acts on a particle as it moves along a straight line…
A:
Q: A crate of mass 98 kg is pulled up a rough incine with an initial speed of 1.54 mys. The pulling…
A: Note: As per the guidelines, we can only answer three subparts of a question. Sorry for the…
Q: A 1kg rock us released from rest at height of 20m. Ignoring air resistance, determine the GPE,KE,…
A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…
Q: (a) What is the efficiency of an out-of-condition professor who does 2.00 x 105 J of useful work…
A: A) W= 2×105 J E= 500kcal = 21× 105 J B) efficiency = 20%
Q: An 1100 kg car moves at 22m/s. Neglecting friction, what braking force is needed to stop the car in…
A: CONCEPT: Given, Mass of the car is m = 1100 kg. Initial velocity of the car is u = 22 m/s. Time is t…
Q: Suppose that an engine has 28% overall efficiency. Find how much work is done in a time interval in…
A: The efficiency is defined as the ratio of work done to the input heat. η = WQin Where, W is the…
Q: Before the invention of the electric refrigerator in 1913, people kepi neir food cool with blocks of…
A: work done = Fx potential energy = - work done by conservative force
Q: (a) What is the efficiency of an out-of-condition professor who does 2.00 ✕ 105 J of useful work…
A: The efficiency of is calculated as useful workmetabolizing enegy×100%
Q: A body does 20 Joules of work in 5 seconds. What is its power?
A: Given data : Time taken = t Work done = W To find : Power…
Q: +29 a -29 +29 +29 -29 +29 1. 2. a = 2mm k. = 9. 10° () (Nm² q = 3µC Find the work to be done against…
A:
Q: (a) What is the efficiency of an out-of-condition professor who does 2.10 x 105 J of useful work…
A: A) work = 2.1 × 105 J Food Energy = 500×1000 cal = 21× 105 J B)…
Q: weight lifter hold 900N over his head. Is he doing work on weight? EXPLAIN.
A: The work done by the weight lifter can be given as, W=F.d Here, F denotes the force on the object is…
Q: To dramatize the loss of energy in an automobile when it stops, consider a car having a weight of…
A:
Q: 2. Calculate the work done in the following cyclical system: P 3x105 exlos N/m? a lom3 5om? V
A:
Q: A mini fan being displayed on streets is supplied with 15 W of electricity and can release
A:
Q: How much work does a supermarket checkout attendant do on a can of soup he pushes 0.510 m…
A: Given data: Displacement d = 0.510 m Force F = 4.80 N
Q: A person is about to carry a 50 kg sack of rice on top of his head while walking for 20 meters…
A: Option B is correct Work done on sack of rice is 0 joules.
Q: An 83kg man eats a banana of energy content 1.00x10^3 kcal. If all of the energy from the banana is…
A: Given that,Mass : m= 83 (kg)Energy : E =1×103 (kcal)Velocity : v0 = 0 (m/sec)Here we need to find…
Q: A PHYS 1510 student was working on a robotics project. The joints on the machine they were building…
A:
Q: Problem 6: A toy cart is pulled a distance of 6.2 m in a straight line across the floor. The pulling…
A: Given data :- Displacement (along the floor) d = 6.2 m Pulling force Fp = 19.2 N Angle θ between…
Q: An obget of ma gs 14 Kg is at a certain height abere the grond. If the Potential energy of the…
A: Given data : Mass of the object = m Potential energy…
Q: (a) What is the efficiency of an out-of-condition professor who does 1.90 X 105 J of useful work…
A: The given quantities areEo=1.9∗105JEi=510kCalη=0.2We will use value of the efficiency 0.2 (20%) for…
Q: A man spends 2.4 kJ energy in displacing a body by 48 m in the direction in which he applies force…
A: Given, Work done by man, W = 2.4 kJ distance moved, d = 48 m time, t = 1.5 s
Q: A 70 kg kid skates down a quarter pipe and exits at 12.9 m/s. Gravity is 10.0 m/s2. Calculate the…
A: Given that, Mass = 70 kg Speed 12.9 m/s Lost energy = 1401 J
Q: A 44-kg pole vaulter running at 10 m/s vaults over the bar. Her speed when she is above the bar is…
A: We must use conservation of energy in this question.
Q: (a) What is the efficiency of an out-of-condition professor who does 2.30 ✕ 105 J of useful work…
A: Given: (a) Input energy, Q = 510 kcal = 510 x 1000 x 4.2 = 21.42 x 105 J output work, W = 2.30 x…
Q: A car increases itsr kinetic energy from 120,000J to 150,000J in 15 seconds. The engine is rated at…
A: Ki=Initial kinetic energy=120000 JKf=Final kinetic energy=150000 Jt=Time taken=15 sPr=Rated…
Q: body Becond What jB jts power ? joules of work jm 9 do es 45
A: Given data : Work = w Time = t To find : Power
Q: 3. Determine the work done by gravity on a 5 kg bowling ball if the bowling ball.. a) Falls straight…
A: Part A. Mass of the ball = m = 5 kg Displacement travel when falls straight down = d = 8 m…
Q: A car with mass of 1138 kg accelerates from 0 m/s to 40.0 m/s in 10.0 s. Ingnore air resistance. The…
A: Solution: Given Values, Mass (m)=1138 Kginitial velocity(u)=0 m/sfinal velocity(v)=40…
Q: The roller-coaster car starts its journey from a vertical height on the first hill and reaches a…
A: Given : h1 = 25 m h2 = 40 m m = 1000 kg d = 400 m
Q: Calculate consume 3456 J of energy. the time taken 72 w bulb to
A: Introduction : In this question we are provided with value of power and energy. with these data we…
Q: Calculate the time taken 34 w bulb 10 consume 21.00 J of energy?
A:
Q: A 2500J of work was done on a 10kg body.if the body was moved 20.0m along horizontal and if…
A: Given value--- work done = 2500 J. mass = 10 kg. displacement = 20 m. coefficient of friction force…
Step by step
Solved in 2 steps with 1 images
