You are loading a refrigerator weighing 2.29×103 N onto a truck, using a wheeled cart. The refrigerator is raised 1.00 m to the truck bed when it is rolled up a ramp.Calculate the minimum work that must be done by the force you apply if the ramp is at an angle with the horizontal of 35.0°.Calculate the minimum work that must be done by the force you apply if the ramp is at an angle with the horizontal of 14.0°

Q: COMPLETE SOLN: a.) An aluminum sheet of thickness 8.3 cm and area 13 m^2 is welded on top of a…

A:

Q: The distance between the Earth and the Sun is ca. 150,000,000 km. If the Sun suddenly stopped…

A: Given data:  Distance between the Earth and Sun d = 150,000,000 km Sun suddenly stopped shining…

Q: Two plane mirrors meet at a 123∘ angle If light rays strike one mirror at 34∘ as shown, at what…

A: The light leaves at Φ=230

Q: A ski starts from rest and slides down a 22-degree incline 75 m long. a) If the coefficient of…

A:

Q: Where did the 10 come from when you divided 1000 by 10

A:

Q: Write a word problem with the picture below. You can pick your own numbers and find the radius or…

A:

Q: Questions 6-13 refer to the figure below. The graph represents the position as a function of time…

A: Given data:  The position vs time graph for a wave motion Required: The amplitude (A), period (T)…

Q: Given the displacement vectors A = (8.00 î - 3.00 +3.00 k) m and B = (8.00 î+ 5.00 ĵ - 1.00 k) m,…

A:

Q: A coin of mass m is at rest on a book cover which is at an incline angle relative to horizontal at…

A:

Q: In the figure, a uniform beam of weight 420 N and length 3.4 m is suspended horizontally. On the…

A: The value of D is 0.661 m

Q: What is the reactance of a 2.0-mH inductor at 60 Hz? Ο 0.19 Ω Ο 2.7 Ω Ο 0.75 Ω Ο 3.8 Ω

A: Given, The value of the inductor, L=2 mH Frequency of the supply, f=60 Hz

Q: A man who can produce sharp images on his retina only of objects that lie from 100 cm to 230 cm from…

A: Given:-  A man can form a sharp image on his retina only of the object lying from 100 cm to  230 cm…

Q: 10. What is the frequency of 20-mm microwaves? a) 1.0 x 108 Hz b) 4.0 x 108 Hz c) 1.5 x 1010 Hz d)…

A: Given data:  The microwaves Wavelength (λ) = 20 mm = 20×10-3 m Required: The frequency (f)

Q: a. This light fixture has a mass of 8.4 kg. 0₁ 69.5 degrees and 82 61.375 degrees. What is T₁?…

A: Introduction: 1) If a system of masses are in equilibrium then the sum of all forces in x & y…

Q: A person of mass 65.0 kg is standing on a weighing scale inside an elevator. Three cases are shown…

A:

Q: Which of the following is the unit for frequency? Select all apply.     Hertz (Hz)     second…

A: Given data-  Frequency- Frequency is defined as the number of occurrences in repeating per unit…

Q: A 24-V battery is connected in series with a resistor and an inductor, with R = 3.0 2 and L = 2.8 H,…

A:

Q: If 2 gallons of water comes out of a 3/4" diameter faucet every minute, what is the speed of the…

A:

Q: A magnetic field is perpendicular to and pointing out of a closed loop of wire that you can imagine…

A:

Q: The question refers to a coin which is tossed straight up into the air. After it is released, it…

A: Given:-  You toss the coin in the upward direction straight up in the air after it is released, it…

Q: The resistance between two well-separated points on the human body is about1.5 x 10. If a potential…

A:

Q: A lamp of mass m is hung from from a series of short massless wire segments to a horizontal ceiling…

A:

Q: What is the strength of the magnetic field produced at the center of the solenoid of length 24 cm…

A:

Q: A ball of mass m is attached to a thin string and whirled in a vertical circle or radius r. The…

A: Given data:  A ball of mass m attached to the thin string Ball whirled in a vertical circle The…

Q: A car starts with an initial velocity of 5 m/s and accelerates at 3 m/s?. a) Find the time needed…

A:

Q: An aluminum wire of length 1.5 m and mass of 0.070 kg is in a magnetic field of 0.40 T. What is the…

A: Given: The length of the wire is 1.5 m. The mass of the wire is 0.07 kg. The strength of the…

Q: 3. Two asteroids collide and stick together. The first asteroid has mass of 15 × 10³ kg and is…

A: Given data, Mass m1=15×103 kg Mass m2=20×103 kg Initial speed u1=770 m/s Initial speed u2=1020 m/s…

Q: A 1.25 kg pendulum bob suspended from a 0.5-m cable, is released from rest at an angle e as shown.…

A:

Q: The plates of an air-filled parallel-plate capacitor are 3.20 mm apart, and each has an area of 3.80…

A: Given data:  An air filled parallel plate capacitor Distance (d) = 3.20 mm = 3.20×10-3 m Cross…

Q: 16. Calculate the effort by the biceps muscle according to the following diagram. R effort 50 mm 150…

A: We are given various forces acting on arm. This is when we are lifting some weight. The value of…

Q: A cart of mass m₁ = 4 kg is on frictionless surface and compressed against an ideal spring with…

A: Let the velocity of first cart before hitting the second cart be v. Since this velocity is a result…

Q: A wire carries a steady current of 2.00 A. A straight section of the wire is 0.750 m long and lies…

A:

Q: A 200 kg crate rests on a floor with carpet. A tired worker pushes with a horizontal force of 600 N…

A: mass = 200 kg applied force (F) = 600 N coefficient of static friction = 0.6 coefficient of kinetic…

Q: fluid within a pipe. The drawing shows a gas flowing at speed v₂ through a horizontal section of…

A: Assumptions- h1≈h2        ρ1≈ρ2      (incompressible gas) using the assumption , bernoulli equation…

Q: A 45.0-kg girl is standing on a 138-kg plank. The plank, originally at rest, is free to slide on a…

A:

Q: Compare 930 on the AM dial to 89.7 on the FM. Which has the longer wavelength? The FM station. The…

A:

Q: Phrank has a mass of 80 kg and runs across the front of the classroom with a speed of 4 m/s, then…

A: Let the mass of Phrancine be m. Then by conservation of momentum before and after jumping on the…

Q: A 15-V battery is connected in series with a resistor and an inductor, with R= 20 2 and L = 30.0 H,…

A:

Q: 1) A small sphere with mass m of 5.00 kg moves along a semicircle of radius K 10.0 m. At the bottom…

A: Given, Mass of small sphere(m)= 5kg   Radius of semicircle(R)=10m At the bottom circle angular…

Q: What is the approximate mass of the air in our 10 m x 12 m x 4 m physics lab room? The density of…

A: Given Data, The Dimension of the room is 10 m x 12 m x 4 m The density of the air =1000 g/cm^3

Q: 4. a. This woman accelerating forwarrd with the boat at 1.9 m/s2. She has a mass of 52 kg. 0 = 15.25…

A:

Q: An aircraft is flying straight and level over horizontal ground at a height of 500 m and speed of…

A:

Q: The 4.0-kg hinged rod is uniform and has a = 2.0m. The object at the end of the rod masses 8.0-kg. A…

A:

Q: A 15-V battery is connected in series with a resistor and an inductor, with R = 20 2 and L = 30.0 H,…

A: Maximum current I VRI=1520I=0.75amp

Q: The force shown in the force vs. time diagram in the figure below acts on a 1.6-kg object. F (N) 2 1…

A:

Q: A snowmobile is originally at the point with position vector 26.1 m at 95.0° counterclockwise from…

A:

Q: 0.034-kg bullet is fired vertically at 206 m/s into a 0.15-kg baseball that is initially at rest.…

A: Mass of bullet(m) =0.034 kg Velocity (u) =206 m/s Bullet is collided with M=0.15 kg mass of base…

Q: the particle is equal to 2.5 kg. Which of the following best describes the direction (acute angle…

A:

Q: For an observer in a reference frame S, two events occur at the same location, with the second event…

A: Given, Reference frame S Two events occur at the same location ∆x = x2-x1=0. The events are…

Q: The question below refers to a toy car which can move to the right or left along a horizontal line…

A: