Answered: A 0.25-hp motor is used to lift a load…

A 0.25-hp motor is used to lift a load at the rate of 5.0 cm/s. How great a load can it raise at this constant speed? O 381 Kg О 371 Кg О 391 Kg О 281 Kg

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 38PE: (a) How long will it take an 850-kg car with a useful power output of 40.0 hp (1hp=746W) to reach a...

See similar textbooks

Related questions

Q: Dr. John Paul Stapp was a U.S. Air Force officer who studied the effects of extreme acceleration on ...

Q: Consider the spherical equipotential surfaces of a positive point charge as shown. A positive test c...

A: W = work done by any external agent in bringing a unit positive charge without any acceleration from...

Q: 5. The electric field at a distance of 0.35 m from a very long line charge is 1250 N/C. Calculate th...

Q: Which of the following is true about electric field lines? Increasing field line density indicates d...

A: Electric field : It is defined as the force acting per unit test charge. Electric field lines : It t...

Q: A proton is released from rest in a uniform electric field. The proton is accelerated and directed e...

A: Acceleration of proton = 3.50×108 ms2, towards east let the electric field = E

Q: The next seven questions pertain to the situation described below. A circuit is constructed with fiv...

Q: Refer to the picture below. A positive static charge +10q is placed (not exaclty in the center) insi...

Q: Tom, a cat, squeezes into a 0.50 m diameter cylindrical trash can to find a late-night snack. Howeve...

Q: In the diagrams, all light bulbs are identical and all emf devices are identical. In which circuit (...

Q: Charges q1, q2 and q3 are arranged in the x-axis. Charge q3=14nC and is the origin. Charge q2= 1.5nC...

Q: ... C1 C3 V C2 What is effective capacitance of the device? C1 = 15 uF, C2 = 9 uF, C3 = 4 uF

Q: A negative charge was removed from a neutral conducting sphere of radius R. Which of the following s...

A: Option (B) i , iii and iv. is correct Explanation When a negative charge is removed from condu...

Q: NOTE: Round off answer to the nearest whole number. Include the unit when you input the answer. Use ...

Q: A day during which the atmospheric temperature was 40oC would be described as (a) below freezing. (b...

A: A day during which the atmospheric temperature was 40oC would be described as

Q: Consider the processes shown below for a monatomic ideal gas. p (atm) . 5 в A D 2 - 3 a. Find the wo...

A: Hi, I am solving the incorrect part. The process AD is an isobaric process. Write the expression for...

Q: Calculate adr. -4ft a, ft/sec2 14 7 10 x, ft 10 a dx = 26.000 f/sec? Answer: -4n eTextbook and Media...

Q: What is the acceleration of the object . If 70 N force applied on a 20 kg object

A: Given that The mass of the object is (m) = 20Kg Force (F) = 70N

Q: An open tank with height of 500cm is filled with water. A hole o.1m above the bottom of the tank is ...

Q: Calculate the momentum of a car that has a mass of 1860 kg and a velocity of 19-6 m/s ?

A: 3

Q: Learning Activity 2- Solved for me Directions: Read carefully and analyze the following questions be...

Q: bnis Problems. Solve and show the complete solution: muo 1. A 325 g weight is acted upon by a consta...

Q: There are 5,280 feet in a mile. If you have slowed down and are now traveling 40 feet per second and...

Q: Figure 1 for your reference Vx-Vtan 8 and V_y=Vcot 0 V_x-Vsin 8 and V_y=Vcos 0 V_x Vcos e and V_y-Vs...

A: According to question we need to find x and y component of v .

Q: A carousel is initially at rest. At t = 0 it is given an angular acceleration of 0.075 rad/s^2, whic...

A: GivenInitial angular velocity (ω0) = 0 rad/sAngular acceleration (α) =0.075 rad/s2Time (t) =11 secDi...

Q: Two charged spheres X, Y are put in contact with a total charge of +12Q. Another charged sphere, Z, ...

Q: Question 6 Suppose you walk 29 m straight west and then 29 m straight north. Answer all questions +x...

Q: II A TMS (transcranial magnetic stimulation) device creates very rapidly changing magnetic fields. T...

Q: You bought a battery that is rated 9V. However, upon connecting it to some circuit, you find that th...

A: Solution Formula: P = E*I - I2r where P = power, E = EMF, I = Current, r = internal resistance Give...

Q: Suppose a student is looking closely at an object inside a container containing a liquid of refracti...

Q: Given the set of point charges each with charge +Q as shown, what is the electric potential at the o...

A: Electric potential due a point charge at R distance apart is V= KQ/R Q = charge K = constant =9×10...

Q: A battery with an EMF of 12 V and an internal resistance of 1 2 is used to charge a battery with an ...

Q: Vector A has a magnitude of 4.0 at 530 counterclockwise from + x-axis and Vector B has a magnitude o...

A: Given value--- A = 4 unit , 53 degree . B = 5 unit , 130 degree. We have to find--- A ● B

Q: A bowling ball, whose radius R is 11 cm and whose mass is 7.2 kg. rolls from rest down a plank whose...

Q: A cube of edge length e = 3.00 cm is positioned as shown in the figure below. A uniform magnetic fie...

A: Given Information:- Length of edge of the cube is l=3.00 cm=3.00 cm×1 m100 cm=0.030 m Magnetic field...

Q: Part A You're an automotive engineer working on the ignition system for a new engine. Its spark plug...

Q: In the figure, an electron moves at speed v = 110 m/s along an x axis through uniform electric and m...

Q: 1. Calculate the electric force between two charges-3.79 x 10 1C and 5.67 x 10 - 10 C placed 3.5 x 1...

Q: A hollow conductor is positively charged. A small uncharged metal ball is lowered by a silk thread t...

A: When the uncharged ball is brought inside a positively charged conductor and allowed to touch its in...

Q: A box of mass M=18.1 kg is on the frictionless surface of an inclined plane of θ=30.0°, as shown in ...

A: Given that:- Mass of the box=18.1kg

Q: A Problem 01: Newton's 2nd Law Blocks A, B, and C weigh 500N, 250N, and 120N respectively, and the c...

Q: The block on a smooth inclined plane is moving down with a constant acceleration of 4 m/s2. m1 m2 Th...

Q: A bowling ball, whose radius R is 11cm and whose mass is 7.2Kg, roll from rest down a plank whose le...

A: mass = m= 7.2 kg radius = r = 11 cm = 0.11 m length = l = 2.1 m moment of inertia = I = 25MR2

Q: pounces straight up from a diving board, avoiding the diving board on the way down, and falls Teet f...

Q: Charges q1, 92 and q3 are arranged in the x-axis. Charge q3 = 14 nC and is at the origin. Charge q2 ...

A: Given value--- Charge q 3 = 14nC and is at the origin. Charge q 2= 3.8nC and is at x = 9 cm. Charge...

Q: A 26-gram bullet traveling at 247 m/s penetrates a 6-kg block of wood and emerges clearly at 167 m/s...

A: given: m=26gm=0.026kgu=247 m/sM=6 kgU=0 m/sv=167 m/sV=? here U and V are initial and final velocity ...

Q: A coil of Nichrome wire is 26.0 m long. The wire has a diameter of 0.450 mm and is at 20.0°C. (a) If...

Q: 4. Consider the spherical equipotential surfaces of a positive point charge as shown. A positive tes...

A: The work done to move a charge from one point to another is given by W = q.∆V, where q = charge of t...

Q: A cylindrical metal can has a height of 27 cm and a radius of 11 cm. the electric field is directed ...

Q: A 50.0-g object is placed against the free end of a spring (k = 24.5 N/m) that is compressed 21.0 cm...

Q: Consider the two-body situation at the right. A 20.0-gram hanging mass (m2) is attached to a 250.0-g...

Question

A 0.25-hp motor is used to lift a load at
the rate of 5.0 cm/s. How great a load can
it raise at this constant speed?
381 Kg
O 371 Kg
391 Kg
281 Kg

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A 6.50 102-kg elevator starts from rest and moves upward for 3.00 s with constant acceleration until it reaches its cruising speed, 1.75 m/s. (a) What is the average power of the elevator motor during this period? (b) How does this amount of power compare with its power during an upward trip with constant speed?
An electric scooter has a battery capable of supplying 120 Wh of energy. If friction forces and other losses account for 60.0% of the energy usage, what altitude change can a rider achieve when driving in hilly ter-rain if the rider and scooter have a combined weight of 890 N?
Calculate the kinetic energies of (a) a 2000.0-kg automobile moving at 100.0 km/h; (b) an 80.-kg runner sprinting at 10. m/s; and (c) a 9.11031 -kg electron moving at 2.0107m/s .
Calculate the power output needed for a 950-kg car to climb a 2.00 slope at a constant 30.0 m/s while encountering wind resistance and friction totaling 600 N.
What average power is generated by a 70.0-kg moun-tain climber who climbs a summit of height 325 in in 95.0 min? (a) 39.1 W (b) 54.6 W (c) 25.5 W (d) 67.0 W (e) 88.4 W
A child of mass m starts from rest and slides without friction from a height h along a curved waterslide (Fig. P5.46). She is launched from a height h/5 into the pool. (a) Is mechanical energy conserved? Why? (b) Give the gravitational potential energy associated with the child and her kinetic energy in terms of mgh at the following positions: the top of the waterslide, the launching point, and the point where she lands in the pool. (c) Determine her initial speed V0 at the launch point in terms of g and h. (d) Determine her maximum airborne height ymax in terms of h, g, and the horizontal speed at that height, v0x. (e) Use the x-component of the answer to part (c) to eliminate from the answer to part (d), giving the height ymax in terms of g, h, and the launch angle . (f) Would your answers be the same if the waterslide were not frictionless? Explain. Figure P5.46
(a) How long will it take an 850-kg car with a useful power output of 40.0 hp (1hp=746W) to reach a speed of 15.0 m/s, neglecting friction? (b) How long will this acceleration take if the car also climbs a 3.00-m-high hill in the process?
Check Your Understanding Estimate the power expended by a weightlifter raising a 150-kg barbell 2 m in 3 s.
A 500-kg dragster accelerates from rest to a final speed of 110 m/s in 400 m (about a quarter of a mile) and encounters an average frictional force of 1200 N. What is its average power output in watts and horsepower if this takes 7.30s?
A 100 — kg man is skiing across level ground at a speed of 8.0 m/s when he comes to the small slope 1.8 m higher than ground level shown in the following figure. (a) If the skier coasts up the bill, what is his speed when he reaches the top plateau? Assume friction between the snow and skis is negligible. (b) What is his speed when he reaches the upper level if an 80 — N frictional force acts on the skis?
At the start of a basketball game, a referee tosses a basketball straight into the air by giving it some initial speed. After being given that speed, the ball reaches a maximum height of 4.25 m above where it started. Using conservation of energy, find a. the balls initial speed and b. the height of the ball when it has a speed of 2.5 m/s.
An 8.0-g bullet has a speed of 800 m/s. (a) What is its kinetic energy? (b) What is its kinetic energy if the speed is halved?