How long is she in the air before returning to earth

Reference no: EM13716239

Problem: A track star in the broad jump goes into the jump at 12 m/s and launches her at 20 degrees with respect to the horizontal.

Part A: How long is she in the air before returning to Earth?

I want help to find how long she is in the air before returning to Earth.

Reference no: EM13716239

Questions Cloud

Estimate what is the phase difference : Light of wavelength 685 nm is incident normally on a film of water 10-4 cm thick. The index of refraction of water is 1.33. Wavelength = 515nm. What is the phase difference between the wave reflected from the top of the air-water interface and the ..

How far from a point directly in the line of the beam : A beam of electrons of 25eV kinetic energy is directed at a single slit of 2.0 x 10-6 m width, and then detected at a screen 4m beyond the slit. How far from a point directly in the line of the beam

What is the kinetic energy of the positron : A 4 mev photon brings about pair production in a piece of material. assume the electron and positron pair move in opposite direction with equal speed. What is the kinetic energy of the positron

Estimate with what speed did he throw the ball : Rams quarterback Sam Bradford throws a 27 yard pass, launching the football at an angle of 38 degrees. With what speed did he throw the ball

How long is she in the air before returning to earth : A track star in the broad jump goes into the jump at 12 m/s and launches her at 20 degrees with respect to the horizontal. How long is she in the air before returning to Earth

What is speed of rock as it hits the ground : A stone is thrown with an initial speed of 15 m/s at an angle of 53 degrees above the horizontal from the top of a 35m building. What is speed of rock as it hits the ground

How long does it take for the bullet to strike the ground : A hunter points a rifle horizontally and holds it 3.30 m above the ground. How long does it take for the bullet to strike the ground

Find the equivalent capacitance of given combination : A 1.0 ÂµF capacitor is connected in parallel with a 1.9 ÂµF capacitor, and the combination is connected in series with a 4.5 ÂµF capacitor. What is the equivalent capacitance of this combination

What voltage is required to store charge on the plates : What voltage is required to store 6.8 x 10-5C of charge on the plates of a 6.0 ÂµF capacitor

User Account

All Pages