The newly revamped Physicsmobile is going 200.0 km/h when it blows by a beamer going 100.0 kmh. The beamer accelerates immediately after being passed reaching 220.0 km/h in 10.0 s. It then maintains...

Find the speed of block when it has moved a distance of 0.5 m

A GPS satellite orbits at an altitude of 2.06×104 km above the surface of Earth. (Recall that RE = 6.37 × 106 m.) What is the speed of the satellite?

A steel cable whose effective cross section is 1.20 cm2 supports a 200-kg elevator. When the elevator is at rest at the second floor the length of the supporting cable is 40.000 meters. What...

1. How fast must an electron move if it is to have a de Broglie wavelength of 3.9 ✕ 10-11 m?   2.What is the speed of a proton with a de Broglie wavelength of 3.20 ✕ 10-14 m?

One sphere with a radius of 1cm and another sphere with a radius of 2 cm are distanced with 1m appart, and are tied with the source of the electromotive force ε=3000 V. With what force these spheres...

bolt of lightning, such as the one shown on the left side of the figure below, behaves like a vertical wire conducting current. As a result, it produces a magnetic field whose strength varies with...

a piano tuner exerted 1500 N in stretching a 0.5 m long steel piano wire with a cross-sectional area of 0.15 cm^2. by how much does this force lengthen the wire?

a water reservoir tankof capacity 250m3 is situatedat a height of 20 m from water level. What will be the power of an electric motor to be used to fill the tank in 3 hrs