Find the mass of a car that drives at 16 m/s and has 18000 J of energy .

Q: You are holding a vibrating tuning fork with frequency 800 Hz as you run toward a stationary wall.…

A: You are holding a vibrating tuning fork with frequency 800 Hz as you run toward a stationary wall.…

Q: Continuity Equation applied-1 when a fluid flows in an . tube

A: A1V1 = A2V2

Q: When switch S in Fig. E25.33  is open, the voltmeter V of the battery  reads 3.08 V. When the switch…

A: We have to find the resistance (R)

Q: A 0.600-kg ball that was dropped from the top of building hit the ground in 1.0 second. a) What was…

A: Given Data : The mass of the ball is given as m = 0.600 Kg. The time taken by the ball to hit the…

Q: An object’s position function, s, in meters, is given by s(t)= -4.9t 2 +13.2t, where t is measured…

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Q: what will happen to the current directions if the polarity of the nine-volt battery is reversed?

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Q: c) Figure 1 shows a stone that is thrown horizontally with an initial velocity of 25 ms from the top…

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Q: R1=1 0 R3=3 0 ww- 6V + R2=2 0 + 9V ww

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Q: 17). If you were to live another 65 years and there was a starship ready to go right now, how fast…

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Q: Q1 = 25nC  @ P1 (4,-2,7) Q2 = 60 nC   @ P2 (-3,4,-2) A) Find the net electric field @ P3 (1,2,3) B)…

A: Q1 = 25nC @ P1 (4,-2,7) Q2 = 60 nC @ P2 (-3,4,-2)

Q: 10. Red light with a vacuum wavelength of 620 nm is incident from air on a piece of glass (n = 1.52)…

A: wavelength of red light = 620 nm refractive index of glass = 1.52 refractive index of thin film =…

Q: ocean wave has a wavelength of 20.0 m. A wave passes a fixed location every 2.00 s. What is the…

A: Given value--- wavelength =20 m. Time period = 2 sec  We have to find--- wave speed?

Q: 1. An object in a horizontal surface was moved by applying a constant force (in Newtons), F = 8î +…

A: The free-body diagram of the object is shown below.

Q: TYPE OF LENSE, 1, 2nd Container: COMBINED:

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Q: A sample of oxygen gas has a volume of 12000 cm3 at 600.mm Hg. What is the new pressure when the…

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Q: 8. An overhead garage door has two springs, one on each side of the door. A force of 15 pounds is…

A: According to Hooke's Law, The pull of an ideal spring is directly proportional to how far you pull…

Q: HEIGHT OF A CONTINENT ABOVE THE MANTLE. In the figure below, a simple model considers a continent as…

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Q: The leg and cast in the figure weigh 220N (w;). Determine the weight w; and the angle alpha needed…

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Q: is the maximum wavelength of light that will cause photoelectron to be emitted from sodium. ? What…

A: Given:-  if 200 nm light falls on the sodium surface Find:-  a) What is the maximum wavelength of…

Q: What is the centripetal acceleration of Mars as it orbits the Sun?

A: To move in a curved path, a planet must have an acceleration toward the center of the circle. This…

Q: A horizontal water pipe has varying diameters. At a certain point, the waters speed is 3.00m/s and…

A: Write the given values with the suitable variables. v1=3 m/sP1=2×104 N/m2A2=A12 Here, v1, P1, A2,…

Q: Find the cross-sectional area of the copper wire that has a resistance of 2.15 mQ and 250 m long…

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Q: 2. A 6.8 kg object is moving along a rough horizontal surface at a constant speed of 2.0 m/s. It is…

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Q: 5. A box can be moved up an inclined plane with constant velocity by a force of magnitude F1 or down…

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Q: A long, straight, conducting wire carries a current of 1.50 A. A second, identical wire is parallel…

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Q: 1-Continuity Equation applied when a fluid flows in an tube. ....... ...** Your answer

A: Continuity equation is written as A1v1=A2v2 where A is the area and v is the velocity of the fluid…

Q: Two blocks with masses m1 and m2 are joined by a light string that passes over the pulley with…

A: Given information :- masses of the two blocks m1 and m2 angular acceleration of pulley = α radius of…

Q: The amount of charge that passes through a certain light bulb in 4.00 s is 5.75 C. Determine the…

A: Given value--- Charge = 5.75 C. time = 4 sec. We have to find--- Current?

Q: The wavelength of this longitudinal wave is m, if the length of the slinky is 1.6 m. 600000…

A: Crest A crest point on a wave is the maximum value of upward displacement within a cycle. A crest is…

Q: A metal rod 30 cm long expands by 0.075 cm when its temperature is raised from 0°C to 100°C. A rod…

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Q: 4-The ratio of stress to strain (o/E) in the linear elastic region is called Young's

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Q: Calculate the torque (Nm) about the center of a 14.4 kg hoop that is rotated at a constant angular…

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Q: ll falling down from a h

A: friction is not experience by a ball falling down from a high building.

Q: 3-Viscosity coefficient (n) of fluid defines the stress and rate of change shear strain. between…

A: Viscosity coefficient = η Let shear stress be τ and rate of change of shear strain be dudy To find:…

Q: (2) 10 13 V a I + 12 P

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Q: Suppose two students measure the length of a piece of wire three times each. Student A obtains…

A: There are many types of errors. Some are random errors. Some are systematic error. Some are…

Q: A sample of air has a volume of 250 cm3 at a temperature of 60 C. At what temperature will this…

A: Given value--- Volume = 250 cm3. temperature T1 = 60 degree C.  Volume V2 = 0.35 L. We have to…

Q: A system undergoes an adiabatic process in which its internal energy increases by 20 J. Which of the…

A: The increase in the internal energy of the system is given as ΔU=+20 J

Q: 1-Steady flow, means the velocity of liquid flow is constant for time at any point. True O False

A: We need to comment on the definition of steady flow.

Q: These are elelctric field lines. What are the signs of the charges on objects A and B ? negative /…

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Q: 1. A 450-N is in contact with a level plane of fk = 0.10. If the block is acted upon by a horizontal…

A: Hi. as you have posted multiple questions and have not specified which question needs to be solved,…

Q: The speed of light in an unknown medium is measured to be 4.76 x 10^8  m/s. (a) What is the index or…

A: The Refractive index of a medium = Speed of light in vacuum / Speed of light in the medium .…

Q: A step up transformer has 79 turns in the primary coil and 425 turns in secondary coil. The primary…

A: Given, Number of turns in the primary coil=79turns Number of coil in the secondary coil=425turns…

Q: When a voltmeter is connected across the terminals of a resistor, what usually happens to the…

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Q: In the figure shown below, what force in the chain is needed to support the car? Compute also for…

A: The free-body diagram of the system is shown below.

Q: A' D ANSWER: The 3-kg collar B rests on the frictionless arm AA'. The collar is T = 6.0 N N = 187.5…

A: Mass of collar B =3kg Linear velocity=0.2t² Time=5sec Radius=0.4m

Q: A square coil of wire is placed in a region where the magnetic field is 0.50 T. Each side of the…

A: We have a square coil of side a=3 cm=0.03 m which is placed in a region of magnetic field B=0.5 T…

Q: a. Solve for the electrical force on the 7 C charge if it is 5 m from -2 C charge. b. When a piece…

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Q: 1. Let E = 400ā, - 300ã, + 500ä, in the neighborhood of point P(6,2,-3). Find the incremental work…

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Q: The bulk modulus of water is 2.1 GPa. Compute the change of volume of 100 mL of water when subjected…

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