During an intense volleyball game match, Denden tosses the ball straight up in the air. Which of the following is true when the ball reaches the highest point of its trajectory?*       A. Values of Velocity and Acceleration will both be non-zero B. Velocity value is zero but Acceleration value is non-zero C. Values of Velocity and Acceleration will both be zero D. Velocity value is non-zero but Acceleration value is zero E. Impossible to answer, need to know the initial speed of the ball

Q: What is the force of gravitational attraction between the earth (m = 5.98 x10^24 kg) and a 70-kg…

A: Mass of the earth, m1= 5.98×1024kg Mass of the student, m2= 70 kg Distance between the center of the…

Q: 1. What is the phase of a sample of carbon dioxide at a temperature of 283 K (10°C) and a pressure…

A: In this question we have to find the phase of a sample of Carbon Dioxide at the given conditions.…

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

A:

Q: The current supplied to a lamp with a 100-W light bulb is 0.87 amps. The lamp is wired using a…

A: Power = 100 W current (I) = 0.87 A diameter of the wire = 2.588 mm

Q: 1. A force of 5250 N is applied to a 300 kg box for 3.5 s. The box is initially at rest on a…

A: a) Impulse =Change in momentum =Force×Duration of the force   =5250×3.5 N.s=18375 N.s≈1.8×104 N.s

Q: QUESTION 6 Consider a cube with edge length L immersed in a uniform electric field E along the…

A:

Q: 185‑turn circular coil of radius 3.79 cm and negligible resistance is immersed in a uniform magnetic…

A:

Q: A 185‑turn circular coil of radius 3.79 cm and negligible resistance is immersed in a uniform…

A: Number of turns (N)=  185radius (r) = 3.79 cm resistance (R) = 14.5 ohm initial magnetic field =…

Q: Light travels a distance D= 60 m in a timet = 500 nanoseconds in a transparent r The index of…

A: GivenDistance travelled by light in transparent material, D=60  min time , t=500…

Q: 6.3 A factory worker pushes a 30.0 kg crate a distance of 4.5 m alohg a level floor at constant…

A:

Q: Which of the following statements is correct? I. It is possible for an object to have motion in the…

A: To identify : the correct statement

Q: O 7. Which of the following states the Faraday's Law? O The magnitude of the magnetic force on a…

A: Faraday's law of induction (briefly, Faraday's law) is a basic law of electromagnetism predicting…

Q: Earth spins on its axis and also orbits around the Sun. For this problem use the following…

A:

Q: As a firefighter, you find yourself at the bottom of a burning high rise. A resident is trapped on a…

A: In this question we have to find the loudness of the horn so that the residents are able to hear it.…

Q: What is the angle of incidence of the radio wave signal as it moves from air to glass (relative…

A:

Q: Two closely spaced parallel wires carry currents of 1.25 A and 1.98 A in opposite directions. What…

A: Magnetic field at a point at distance R from the wires carrying current in opposite directions ,…

Q: Suppose two electrons in an atom have quantum numbers n= 7 and e = 5. (a) How many states are…

A: Given data: number of electrons = 2 quantum numbers, n=7l=5

Q: A uniform rod of length L and mass 2m rests on a smooth horizontal table. A point mass m moving…

A: According to conservation of angular momentum If no external torque is applied to system its angular…

Q: Given the circuit below: 20 A ww 12V ww B 12 What is the current (in A) through R4? ww

A:

Q: A point charge q1 = -6.6 µC is located at the center of a thick conducting shell of inner radius a =…

A:

Q: An infinite line of charge with charge density 1 = 1.9 µC/cm is aligned with the y-axis as shown. y…

A: Note: You have posted q question with more than three subparts. as per our policy, if nothing is…

Q: On a day with a temperat a blowing, the frequency heard by a moving per- From a 500-Hz stationary…

A: Actual frequency = f = 500Hz Apparent frequency or frequency heard by the observer = 520Hz

Q: QUESTION 29 What is the current flow through a 24 ohm resistor if there is a 9 volt battery…

A: Voltage of battery = 9 V  Resistance of resistor = 24 ohm

Q: A 1.0-cm-tall object is placed 4.0 cm to the left of a converging lens with a focal length f1 = 5.0…

A: Given data as per question height of object = 1cm f1  =   5cm f2   =  -8cm

Q: A cylinder contains 8.0 g of oxygen gas. How much work must be done to compress the gas at a…

A:

Q: An object with a mass of m = 5 kg is attached to the free end of a light string wrapped around a…

A:

Q: Sample Problem 1: A beam of light going through a medium with an index of refraction of 1.14 has an…

A: Given data: The incidence angle is θi=51°,

Q: A Motorcycle starts from rest at t=0s on a circular track of 400 m radius. The tangential component…

A:

Q: 112. A conductor is moved perpendicularly through magnetic field B as represented in the diagram…

A:

Q: For a convex mirror, when the object is 24.3 cm in front of the mirror the image is 15.5 cm behind…

A:

Q: Given data: D isteme -310 m ange Speed 62 m/s CaJeusate the time ?

A: Given data :                       Distance    =    D                         Speed      =     S…

Q: What is the current (in A) through R4?

A: Given DataV=12VIR4=?

Q: Two double slit set-ups have the same slit spacing, d, but different slit widths, a. Double slit 1…

A: Given : Two double slit set-ups with same slit spacing 'd'. Slit width of first and second are…

Q: ric pow 3. A battery-powered global positioning system (GPS) receiver operating on 9.0 v draws a…

A: Given data as per question voltage  =   9v current =  0.13 time = 2h

Q: How efficient is a heat engine that produces 2,200 K while burning enough gasoline to produce 5,300…

A:

Q: What happens on the force of gravity exerted by the earth to a rocket propelling away from it? a.…

A:

Q: draw the ray diagram of the following (convex mirror): a. object is between f and the vertex b.…

A: Rules of refraction at convex mirror 1)A incident ray traveling parallel to the principal axis on…

Q: A laser is shone on two narrow slits, fully illuminating both slits, producing an interference…

A: Interference pattern is seen when light waves from two sources do interference with each other . Due…

Q: Light of the same wavelength is passed through two different double slit set ups. The interference…

A:

Q: A boat running at its top speed takes 3.0 hours to travel 12 km down a river. It then takes 5.0…

A:

Q: (a) What current is needed to transmit 250 MW of power at 400 kV? (b) What is the power dissipated…

A:

Q: An object moving at 17.75 m/s with a constant acceleration covers a distance of 90m in 17.8 sec. a.…

A:

Q: 6Ω 1 2 9 V 3 If you wanted the current to be exactly 2 amps, what size resistor would you need if…

A:

Q: Immediately after the switch is closed, the voltage across the 3uF capacitor is 1 ΜΩ 45 V 3 µF +

A: Voltage of source = 45 V  Resistance of resistor = 1 M ohm  Capacitance of capacitor = 3 micro farad…

Q: A muscian can increase the frequency of a note played on a flute by A.) Opening a side hole to…

A: The flute is sounded by the edgetone principle: directing air on an edge causes it to oscillate.…

Q: According to the Law of Conservation of Energy, energy can never be destroyed, but merely…

A: Given: mass of object, m = 1 kg height up-to which it is raised, h = 5 m force applied on it by you,…

Q: What is the current read by the ammeter in the circuit below? Let R1 = 1 kiloohm, R2 = 2 kiloohm, R3…

A:

Q: According to Newton’s law of cooling, the rate at which a substance cools in air is directly…

A: The answer is 33.59min option (a) is right

Q: 1. A silver wire 2.6 mm in charge of 420 C i Silver contains free electrons transfers a

A: GivenDiameter of silver wire, d=2.6 mmCharge, q=420 CTime, t=80 minSilver contain free elctrons ,…

Q: Consider the circuit shown on the right. Rank the brightness of the bulbs in the circuit. Use the…

A: