1. A o.25 hp motor is used to lift a load at the rate of 5.0 cm/s. How great a load can it lift at this constant speed?

Q: A solid cylinder of mass 2.0 kg and radius 4.0 m rotates with an angular speed of 10 rad/s about a…

A: Given: Mass of solid cylinder, M = 2.0 kg Radius, R = 4.0 m Angular speed, ωi = 10 rad/sec mass of…

Q: What is the force needed for a sliding object with a frictional force of 10 N to maintain a constant…

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Q: What is the amount of force needed to keep a cannon ball moving if you were in space ship and fired…

A: Once the ball is fired into the frictionless space, there will be force available in space to slow…

Q: 7. A bomb initially at rest on a smooth, horizontal surface is exploded into three pieces. One piece…

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Q: Since moments of inertia and products of inertia both have units of length to the fourth power,…

A: The property of matter that resists a change in motion is known as inertia. In classical physics,…

Q: Name CrselYSec Date Score VECTOR EXERCISES 1 Use graphical method to find the magnitude and drection…

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Q: Which of the following is the Philippine's first microsatellite? a. DIWATA-1 C. MAPULON-1 b.…

A: The Philippines' first microsatellite, has completed its four years in Earth orbit, burning up in…

Q: point charge, q1 = +5.00μF, is placed at the origin of an x-y plane. A second point charge, q2 =…

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Q: Question 1 A 0.75-T magnetic field points west. Find the magnitude and direction of the force on a…

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Q: (a) If the magnitudes of the two velocity vectors are V1 = 3 m/s and V2 = 2 m/s, determine their…

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Q: A roller coaster reaches a velocity of 20 m/s at a location where the radius of curvature is 40 m.…

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Q: 11. If a converging lens has a focal length of 20 cm, at which object distance will an image smaller…

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Q: Current Attempt in Progress In a certain cyclotron a proton moves in a circle of radius 0.510 m. The…

A: Answer: a) The oscillatory frequency is fosc=2.6×107Hz b) The kinetic energy of the proton is…

Q: 47. string is 425 Hz, what is the frequency of the second harmonic?

A: Fifth harmonic frequency = 5f = 425 Hz Second harmonic frequency = ?

Q: 1.A weight lifter lifts a 350-N set of weights from ground level to a position over his head, a…

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Q: Which of the following term refers to the union of terrestrial and cosmic laws? a. Aristotelian laws…

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Q: Consider a generic phase diagram for a pure substance; at a temperature and pressure for which the…

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Q: spectral emissión line of sodium is 590 nm. At what kinetic e wavelength as its de Broglie…

A: GivenWavelength of the yellow spectral emission line of sodium, λ=590 nm

Q: Q18: A pebble is released from rest at a certain height and falls freely, reaching an impact speed…

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Q: A hydraulic piston assembly filled with hydraulic fluid, has 2 pistons, 1 with an area of 1 m2, and…

A: GivenArea of Piston 1, A1=1 m2Area of second piston, A2=10 m2Force applied on piston 1, F1=10 N

Q: A flat coil of wire has an area A, N turns, and a resistance R. It is situated in a magnetic field,…

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Q: point charge, q1 = +5.00μF, is placed at the origin of an x-y plane. A second point charge, q2 =…

A: Absolute potential will be zero at those points where the electric field cancel out due to both the…

Q: You burn 22 g of a peanut and warm 75 g of water. The temperature of the water increases by a total…

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Q: A radioactive material produces 4.386E+3 decays per minute at one time, and 7.57 h later produces…

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Q: How much ice at 0 0C is needed to lower the temperature of 100 g of water at 25 0C to 5 0C

A: Mass of water = 100 g Initial temperature of water, Tw =25 oC Initial temperature of ice, Tice = 0oC…

Q: d. Current in each resistor e. Power in each resistor BM ) 2.40 N 15.0 V 6.00 N BMN b d BM Ω BD N

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Q: How does angle θ affect the value of coefficient of friction?

A: Relation between θ and coefficient of friction:

Q: A car drives straight off of a horizontal cliff with a speed of 45.3 m/s.  If it is in the air for…

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Q: What keeps up a satellite on its orbit? a. Gravitational Force of Attraction b. High Tangential…

A: Correct option (a) Gravitational Force of Attraction. Reason - When a satellite is in circular…

Q: In the figure shown below, what is the magnitude and direction of the Vector A? +y 10.0 m 23.0 m R…

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Q: A simple circuit has a battery voltage of 9 volts. A light in the circuit has a resistance of 3.3…

A: Voltage of battery = 9V  Resistance of light = 3.3 ohms

Q: Immediately after the switch closes, the current in the circuit is 1 ΜΩ + 45 V 3 µF

A: Voltage = 45V  Resistance = 1 *106 ohm  Capacitance = 3*10-6 F

Q: In a car which is accelerating, a plumb line hanging from the roof maintains a constant angle of 30…

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Q: What are resistors used for?

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Q: A solid insulating sphere of radius a = 5.1 cm is fixed at the origin of a co-ordinate system as…

A: EXP=Qinc4πε0x2=43πa3ρ4πε0x2=9×109×4π×5.1×10-23-224×10-63×15.3×10-22=−47852.7393 N/C

Q: A 12 Kg bowling ball is held 3 meters above the ground at sea level. Assuming that acceleration of…

A: GivenMass of ball, m=12 kgHeight above the ground, h=3 mAcceleration due to gravity, g=10 m/s2

Q: 109. ••Biology A bat emits a high-pitched squeal at 50,000 Hz as it approaches an insect at 10 m/s.…

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Q: 5000 N 1200 N 1300 N MI 5000 N

A: Resultant force or net force:

Q: a) Calculate the magnitude of the electric field at a point P located 60 cm from the origin above…

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Q: Q6: Suppose your hair grows at the rate 1/32 in per day. What is the rate at which it grows in…

A: Given Hair grows at a rate r=132 in/day   We have to convert the rate in nm/s1 d=86400 s

Q: Assume that the force of air resistance is proportional to the instantaneous speed of the toy, which…

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Q: Q11: A racing car starts from rest at t = 0 and reaches a final speed v at time t. If the…

A: the speed at time t = 0 is 0. the speed at time t is v. let the acceleration of car during this time…

Q: Three identical point charges +q are placed at each of the three corners of side L. Find the…

A: a) Draw the free-body diagram of the system.

Q: How will the brightness of bulbs A and B change if bulb C is unscrewed? Will the result be different…

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Q: Which of the following is a measure of inertia? a. Mass b. Friction c. Force d. Weight

A: Inertia is the tendency of object to resist the change in it's state of motion and it is dependent…

Q: Two similar plastic spheres are given positive electrical charges. When they are 15.0 cm apart, the…

A: Given(s): The distance between the charges, r=15 cm=0.15 The force acting between them, F=0.22 N…

Q: A solenoid of lenght 55 cm has 260 turns of radius 2.4 cm. A coil of radius 5 cm with 20 turns is…

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Q: The one-dimensional motion of a vehicle ca into two stages: Stage AB: The vehicle moves with a cor…

A: GivenStage ABv1=5 m/s . t1=10 sStage BCa=2 m/s2  , t2=5 s

Q: Jerome plays middle linebacker for South's varsity football team. In a game against cross-town rival…

A: Write the given values with the suitable variables. m=82 kgu=5.6 m/sv=-2.5 m/s Here, m is the mass,…

Q: A person is reading a newspaper held 40cm from their eyes. The print is 1.5mm high. Assuming that…

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.