Your job is to lift 30 kg crates a vertical distance of 0.90 m from the ground onto the bed of a truck. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Force and power. Part A How many crates would you have to load onto the truck in one minute for the average power output you use to lift the crates to equal 0.50 hp? Express your answer in crates per minute. ANSWER: rate of lifting crates = crate/min Part B How many crates for an average power output of 100 W? Express your answer in crates per minute. ANSWER: rate of lifting crates = crate/min

Q: 2. A 35 kg child is riding on a swing. At her highest point she is 1.8 m above the ground, at her…

A:

Q: A Fahrenheit thermometer and a Celsius thermometer indicate the same magnitude of temperature of an…

A: Given For a given temperature, the Fahrenheit and Celsius thermometer indicate the same magnitude of…

Q: A neutron at rest decays (breaks up) to a proton and an electron. Energy is released in the decay…

A: This problem can be solved using conservation of energy concept.

Q: Determine the moment of inertia (mm4) of the cross section shown with respect to the x-axis if…

A:

Q: Find the equivalent resistance of the Wheatstone bridge in problem above when 20.10 Making an…

A: Concept :  If a galvanometer has resistance R and shows full scale deflection for current iG through…

Q: 1. The rectangular framework shown in the next slide is subjected to the indicated non-concurrent…

A: In order to calculate the net force , we first need to  write the components of each force in x and…

Q: Once upon a time there was a lonely mass of 9.07185 kg suspended in thea spring. Its loneliness is…

A:

Q: A converging lens (f=+20.0 cm) is located 60.0 cm to the left of a diverging lens (f=-30.0 cm). A…

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

Q: General Directions: Read each questions and directions carefully and write your answers and…

A:

Q: At 30 °C and 8200 Pa absolute pressure Argon gas is filled in a volume of 0.80 m³ cylindrical tank.…

A: Given data The initial temperature is given as Ti=30°C. The initial volume of the cylinder is given…

Q: What is the magnitude of the total magnetic force the long wire exerts on the current loop? a. Zcro…

A:

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: 4. Fret if a 1 is increased three times and qz is reduced to 2 : 5. Fnet if g2 is increased three…

A: Given data: The net force between two charges is given as, Fnet = 500 N Formula used: According to…

Q: 2. A large wrecking ball is held in place by two light steel cables. If the mass m of the wrecking…

A: Given:  m = 3620 kg To find: a)The tension TB in cable that makes an angle of 40o with the…

Q: 1. N Find the magnitude of the vector B = - 2.00f + 3.00ĵ – 4.00k.

A: B→=-2.00j^+3.00j^-4.00k^=1.00j^-4.00k^B→=1.002+-4.002=4.12

Q: Pre-Lab Question #3: Now you can finish the calculation as follows (include units): |Fo| = V35.22…

A: Given data: -  The net force is Fnet=35.2x^+76.5y^. The x component of the net force is Fx = 35.2…

Q: Two forces of magnitude TA= 7803 lb and TB= 14237 lb are applied as shown to a welded connection.…

A: Given, TA= 7803 lbTB= 14237 lbθ= 48°

Q: 3. Refer to the figure below. What is the magnitude and direction of electric field at point Y from…

A: 3) Draw the schematic diagram of the system.

Q: Supplement 1. What force is' needed to accelerate a child on a sled -(total mass = A grocery sack…

A:

Q: 4. Find the node voltages in the circuit below. 12 4 2 8. D2 3

A: Given that : R1 = 22 ohm R2 = 12 ohm R3 = 2 ohm R4 = 2 ohm R5 = 5 ohm R6 = 4 ohm  R7 = 7 ohm I = 8…

Q: A small planet having a radius of 1000 km exerts a gravitational force of 100 N on an object that is…

A: Given: Here, the given radius value is R=1000 km. And the given gravitational force is, F=100 N. The…

Q: The Newton's law of cooling gives us that, when cooling an object in a tank of constant temperature…

A: Q1 ) In terms of Picard's theorem the solution to the Malthus model exists everywhere and is unique.…

Q: A Cu rod 80.0cm long is at a temp. of 50.0°C. What is its length at -20.0°C? The coefficient of…

A: Given:-length of rod (L0)=80.0 cminitial temprature (Ti)=50.0°Cfinal temprature=(Tf)=-20.0°Clinear…

Q: An elec Compute the electric potentials at points a, b and c. charges, q1 =+12 nC and q2 =-12 nC…

A: Given: The value of point charge q1 is 12 nC or 12×10-9 C.            The value of another point…

Q: 8. A transformer is a device used to increase or decrease the voltage through induction. Which…

A: The positive charge accelerates along the direction of electric field.  So the charge ( which is…

Q: An angle of a circle with a 2 m radius is A0 = 20°. What is the corresponding arc length As? 11. D.…

A: 11. radius of circle,r=2 m∆θ=20

Q: You are asked to consult for the city's research hospital, where a group of doctors is investigating…

A:

Q: An oil tank is in the shape of a right-circular cylinder with a radius of r meters and its axis is…

A: An object is considered to be under pressure when it is subjected to physical force. Each unit of…

Q: thrower? c. What is the maximum height reached by the javelin? 7.0m 9.8m O 10.5m 8.5m

A:

Q: Determine the distance h of the symmetric beam cross section to the locate the centroid given that…

A: a=6.8mm b=10.5 mm  C=20.5mm  d=117.2mm

Q: The expanding gases that leave the muzzle of a rifle also contribute to the recoil. A.30 caliber…

A: The mass of the bullet is The speed of the bullet relative to the muzzle is The mass of the rifle is…

Q: (5) A 15.0A current produces a B field at the center of an arc of angle n/4 radians and radius…

A: (5) Given Current (I) = 15.0 A Radius (r)  = 0.500 m Angle θ  = π4 radians

Q: I need help with question 10 please.

A:

Q: Electrical energy is converted into thermal energy in a resistor at the rate of 5 watts for 1…

A: Given  Rate of power consumption (P) = 5 W  Time (t) = 1 minutes                = 60 seconds Total…

Q: A 19th century lab technician is testing possible metals for bulb filaments. A carbon filament with…

A: Given: In this question, the given details are, A 19th century lab technician is testing possible…

Q: The magnetic field strength of a thoroughly wound flat circular coil of wire that has a measured…

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

Q: Two forces P and S, act on a ring, as shown. A. 07 R 1. Which of the following best shows the force…

A: We are given  forces. We find the resultant of 2 forces. We then find the magnitude and direction of…

Q: A 4.80-kg block is set into motion up an inclined plane with an initial speed of v₁ = 8.20 m/s (see…

A:

Q: HERSTE A CD has a diameter of 12.0 cm. If the CD starts from rest and has a constant angular…

A:

Q: Given A = y 4a + a_and vectors B = 2a_ + 3a , find the scalar projection of A on B. %3D 2 Answer:

A: Given  A→=4ay→+az→B→=2ax→+3ay→ Scalar projection of A→ on B→ is given by, s=A→·B→B

Q: Determine the magnitude and direction (to the nearest degree) of the equilibrant of the following…

A:

Q: 3. A particle of mass 20 g is connected to one end of a spring on a frictionless horizontal surface…

A:

Q: 2. What is the maximum length of a wrench needed to apply 90 Nm torque to the bolts on a motorcycle…

A:

Q: D. The Earth (m=5.98x 1024 kg) moving at an orbital speed equal to 2.98x10 m/s.

A: Part (D): Given: The mass of the earth is 5.98x1024 kg. The orbital speed of the earth is 2.98x108…