2-A parallel-plate air-filled capacitor has capacitance of 40 pF. (a) If each of its plates has an area of 0.35 m", what is the separation? (b) If the region between the plates is now filled with material having K = 5.6, what is the capacitance?

Q: 4. Find X. ( point of rotation @ 40N ) 40 N 60 N 15 m 100 N

A: The torque is given by  Torque =force x perpendicular distance

Q: A 0.11 kg ball is about to roll off the edge of a 12.51 m high table. What is its current PE? No…

A: Given, m = 0.11 kg height = 12.51 m g = 9.8 m/s2

Q: 4. If an elevator with a mass of 200kg rises 50m up a building with a total passenger mass of 125kg,…

A:

Q: Don't use chatgpt will upvote Please provide solution in Handwritten form Be quick as soon as…

A: Step 1:The gravitational force between two masses separated by some distance r is given…

Q: A flower vase on a table slides off horizontally with a speed of 1.50 m/s. It statter in pieces on…

A: Given data: Initial velocity (u) = 1.50 m/s, horizontally Time (t) = 0.450 s Required: The height of…

Q: If the speed at x = 1, v(r = 1) = 3 m/s then the speed at x = 0, v(x=0) is:

A:

Q: B.E. of a satellite is 4×10³ J. Calculato its kinetic I energy potential energy.

A: To find-(1) K.E. =?(2) P.E.=?Given that-B.E.=4×108 J

Q: A 121 lb. weight is being help up by a block and tackle pulley system of 3 attached pulleys also…

A: Here, 3 strings are connected with the block, and each has tension 2T. Draw the free body diagram.

Q: O X Z y Ox y N F LL B

A:

Q: Which of the following is the Sl unit for gravitational electric powe Watt Work O Kilogram Meter…

A: Gravitational electric power also termed as Gravitricity power. Gravitational electric power is form…

Q: 3. Given two vectors: P = 2.0î — 3.0ĵ + 4.0k and ₹ = −2.0î + 4.0k. Determine a.) the magnitude of…

A:

Q: A wheel turns 2 revs in 4s. What is w?

A:

Q: The potential energy of earth at aphelion

A:

Q: 3 What is the velocity of a 2 kg object dropped from a height of 20 m when it hits the ground, in…

A: Given that-Mass, m= 2 kgHeight, h= 20 mBy using conservation of energyWe can write-Kinetic energy=…

Q: Find the gravitational potential energy of a light that has a mass of 14 kg and is 8 m above the…

A: Given data :                 Gravitational pull     =    g                     Height     =    h…

Q: A 4m board weighing 60 N extends out over the edge of the table with 40% of the board's length off…

A:

Q: I z( max)

A: Solution: When maximum current is flowing through the Zener diode, the current through the load will…

Q: The unit of Stefan's constant is (a) watt/m? K* (b) watt/m³K (c) watt/m2 K (d) watt/m K

A: Black body radiation.

Q: O Kilogram O Newton O Second Watt Meter Work None of the choices Joule

A: The SI unit of power is Watt. The unit of any type of power, irrespective of its origin such as…

Q: the number of revolutions completed in one second is known as

A: The number of revolutions completed in one second is known as : _______  Solution :-

Q: 3. Which requires a greater power rating? Raising a 4 kg flag atop a 25 meter flagpole in 90 seconds…

A: power (P) is the amount of work done per unit time Work = Force × Distance W = F×d Then,  P =W/t =…

Q: If an object of mass 46 kg has a kinetic energy of 225 j, what is its velocity?

A:

Q: Convert the following: 365 miph to m/s 98 rev/min to rad/s 4585 kJ/kg to BTU/lb

A: According to question we need to convert unit of given quantity.

Q: The unit of Power (P) is

A: We have to answer the unit of Power (P)

Q: c) kinetic energy of the object

A: Option - c

Q: 11. You start from your house at 10:00am, goes to your friend's house and then to the grocery shop.…

A:

Q: A satellite of mass  243kg orbits the Earth at a constant speed in a circular orbit. The work done…

A: Given : Mass of a satellite (m) = 243 kg

Q: 10. Bethany is swinging her grocery bag as she walks. The radius of her swing is 0.8 m. If she c…

A: Given Data : Radius of her swing, r=0.8m Tangential velocity, v=2.7ms-1

Q: 16. One of the physical quantities shown below is a scalar that is always positive. Which one is…

A: Correct option  1. Kinetic Energy

Q: 3. Refer back to Figure 8.1. For which types of electromagnetic radiation is the atmosphere of the…

A: Required : For which type of electromagnetic radiation, is the atmosphere of the Earth completely…