Find the momentum A car that has a mass of 1220 kg and a velocity of 8 m/s ?

Q: An electrostatic voltmeter has two parallel circular plates. The mobile plate is 10 cm in diameter.…

A: Given force F =5×10-3 and diameter =10cm voltage v=10kV And we have to determine the charge in…

Q: If a ball is dropped from 120 feet from the ground. How many seconds will it take the ball to hit…

A: Write the given values with the suitable variables. h=120 ftu=0a=-32 ft/s2 Here, h, u, and a are the…

Q: A long, cylindrical solenoid with 180 turns per centimeter has a radius of 3.5 cm. (a) Neglecting…

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Q: A 20 g ball of clay travelling east at 2.0 m/s collides with a 30 g ball of clay travelling 30°…

A: m1 = 20 g v1 = 2 ms , along east m2 = 30 g v2 = 1 ms , 30o south of west

Q: An 8.5-kg block is pushed along a horizontal rough surface by a 40-N force inclined at 20° with the…

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Q: convex lens with an object located at 2F with the height of 30mm. Identify the image characteristics

A: Given Focal length = F Object distance u = -2F

Q: 2. Calculate the power absorbed by each element. I=5A P2 6A 12 V 20 V P1 P3 8V P4 0.21

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Q: Which of the given equations is used to solve for the power dissipated in a closed circuit? A. P =…

A: In a closed resistance circuit, the voltage, current and resistance are related as V = iR, where V =…

Q: Consider a parallel plate capacitor as shown in the figure. A proton is placed near the positive…

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Q: A 10 kW motor developing a torque of (200/π) N m is running at a speed of:

A: Given data :- Power = 10 kW = 10000 W torque = (200/π) N.m

Q: 37° 10 m A uniform beam of length 10 m and weight 60 N is attached to a wall by a cable as shown in…

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Q: A pendulum is timed as it swings back and forth. The clock is started when the bob is at the left…

A: Time period = total timeno. of swings

Q: . Determine the currents I, and la 2 A 7A I. ЗА 4 A

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Q: 3. Find the angles e, 8, and Y that the vector M= 40 +3.0j + 5.0 k makes with x, Y and z axes. Draw…

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Q: Part A What is the current through the 10n resistor in the figure (Figure 1)? Express your answer to…

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Q: 2. Which of the following represents the electric field map due to a single negative charge A) ...…

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Q: An object weighing 500kg is to be pulled by a man by exerting a force P. Force P is inclined at an…

A: According to Newton's second law Net force  F = ma

Q: A magnetic field of 3.2 T is perpendicular to a square coil of 12 turns. The length of each side of…

A: Given A magnetic field of 3.2 T is perpendicular to a square coil of 12 turns. The length of each…

Q: Refer to Figure C If 0.050 A of current   flows across the 300 ohms resistor, what is the voltage…

A: Given : 0.050 A of current flowing through 300 ohm resistor.  Find : Voltage drop in 100 ohm…

Q: Which of the following is a unit for resistivity? A. ohm/meter B. ohm/meter? С. oһт — тeter D. ohm –…

A: Resistance R = ρ×lA where ρ is the resistivity

Q: Which of the following statement is true? A If the resultant force acting on a body of constant mass…

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Q: A wire of diameter 0.800 mm and length 25.0 m has a measured resistance of 1.60 2. What is the…

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Q: An object weighing 500kg is to be pulled by a man by exerting a force P. Force P is inclined at an…

A: We need to calculate the force P, the velocity and distance travelled in 10 seconds of motion.

Q: Figure B HT

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Q: ) Unit of Torque is Newton Meter. None of the above. Angular acceleration of object is zero if it is…

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Q: A skydiver ejects from his aircraft and falls 80 m from the ground without friction. When he opens…

A: Write the expression of time taken by the pilot in the air. v=u+at

Q: equilibrium and the top of the block is at the level of the water. What is the mass of the wood? The…

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Q: An ideal gas expands from state (p1, V1) to state (p2, V2) with p2=2p1 and V2=2V1. The expansion is…

A: work is the product of the pressure p and the volume V during a change of volume

Q: Magnetic poles and electric charges are comparable in terms of their interaction: like poles/charges…

A: Magnets can be created in form of Electromagnets that is a device which creates a magnetic field…

Q: 34 A typical electric hair dryer designed to operate on a 120 V supply is rated at 1.5 kW What is…

A: Rated voltage supply of hair dryer = 120 V  Rated power of hair dryer (P) = 1.5 kW = 1500 W

Q: What battery voltage is necessary to supply 0.41 A of current to a circuit with a resistance of 16…

A: Given : Current (I) = 0.41 A Resistance (R) = 16 Ω

Q: What will happen to the magnitude of the charge in all plates if the capacitors are in series…

A: Correct option is (b)  The magnitude of the charge are the same in all plates.

Q: ) What is the flow rate in cm/s? 141.4 cm3/s ) What is the diameter (in cm) of the stream 0.200 m…

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Q: sapphire ring is placed in front of a mirror (R = 24 cm). The ring is half the size of its image in…

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Q: (Refer to Figure 4) Three resistors are connected in series and are being supplied by a 12volt…

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Q: Thanks for answering these 5 question.

A: 1 A) particle are transferred from one place to another It makes the particles in the medium…

Q: 11

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Q: The heels on a pair of women's shoes have a radius of 0.4cm at the bottom. If 28% of the 313N weight…

A: Radius (r) = 0.4 cm = 0.004 m Weight (W) = 0.28 x 313 N = 87.64 N

Q: m in diameter is positioned 15 cm to the left of a positive lens of rim diameter 10 cm and focal…

A: We know that We have given  An aperture opening 5 cm in diameter is positioned 15 cm to the left of…

Q: Consider the following statements: A. The center of gravity on the object is the point of zero…

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Q: Which of the following situations is an example of a significant change in momentum?

A: B. Bicyclist ridea over a leaf on the pavement. This is not example of change in momentum. C. Helium…

Q: To pull with a force F=172 N on the scale as shown, what should the tension in your biceps muscle…

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

Q: 19. Given the v-t graph find the instantaneous acceleration at time t=bs and the average…

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Q: The length of a 100 mm bar of metal increases by 0.3 mm when subjected to a temperature change of…

A: length of bar of metal (L) = 100 mm increase in length (∆L) = 0.3 mmincrease in temperature (∆T) =…

Q: PROBLEM 2 The elements of a floor jack are shown in the figure. If the hydraulic cylinder AB is…

A: Force on AB is 37kN

Q: 5. Show that for all states of a particle in a box. Is this result physically reasonable?…

A: We have a particle in a 1-dimensional box of side say 'a' then we need to prove that the expectation…

Q: communicating with an astronaut on the moon, 3.8  108 m from earth, what is the minimum time delay…

A: Spped = distance /time Time = distance /speed

Q: "Kilometrong layo". The position of Sarah is given by = [km]. What is the distance and bearing of…

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Q: Refer to FIGURE A Determine the voltage across C2. A. 4.58 V В. 6.29 V С. 5.71 V D. 12.0 V

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Q: 2.2 kN 100 V C 1 μF R2 3.3 kN

A: Applied voltage= 100v R1 =2.2kΩ R2 =3.3kΩ C=1μF