Physics Answers

two water tanks are connected to each other through a mercury manometer with inclined tubes as, shown in figure. if the pressure difference between the two tanks is 20 kPa . calculate a and angle teta

1. An electric charge inside a sphere (r=0.81m) has a magnitude of

+4.8x10−18𝐶. Find the electric flux through this surface.

A car travels 13 km in 2 hours and 2 km in 1 hour

in the same direction. What is the car's average

speed in km/hr and m/s for the whole journey?

A +200μC is place at the origin and a -300μC is placed on 1m to the right of it. What is the magnitude and direction of the electric field midway between the 2 charges and 30 cm to the right of the negative charge?

 solve for the Force of 2 charges, q1 = -63 nC and q2 = +42 nC with a distance of 5.5 cm. (Note: ϵ0 has a value of 8.85 x 10⁻¹² C²/ N m²) (C²/ N m²)

an isotope of element 102, with a mass number of 253 was produced by bombarding 24096Cm with a projectile, which was absorbed by the target nucleus. write the nuclear reaction and identify the element

Sphere A, with a charge of +6.0 𝜇𝐶, is located near another charged sphere, B. Sphere B has a charge of −3.0 𝜇𝐶and is located 4.0 cm to the right of A.

What is the force of sphere B on sphere A?

A third sphere, C with a +1.5 𝜇𝐶charge, is added to the configuration. If it is located 3.0 cm directly beneath A, what is the new net force on sphere A?

Find the potential at a distance of 0.07 m from a -6 nC charge

. A driver notices an upcoming speed limit change from 45 mi/h (20 m/s) to 25 mi/h (11 m/s). If she estimates the speed limit will change in 50 m, what acceleration is needed to reach the new speed limit before it begins?

From ear level down the wishing well, a coin is dropped by Liza. The coin falls a distance of 7.00 m before it strikes the water. If the speed of sound is 343 m/s, how long after Liza releases the coin will she hear a splash?