+1-415-670-9189
info@expertsmind.com
Write down an expression for the displacement as a function
Course:- Physics
Reference No.:- EM1349771




Assignment Help
Assignment Help >> Physics

Q. A distant 546 Hz tuning fork produces a plane sound wave that moves along the positive x-axis and has an amplitude of 1.05*10^-8 m. write an expression for the displacement as a function of x and t.

Q. Standing on the ground 3.5 from the wall of a building, you want to throw a package from your 1.6 shoulder level to someone in a second-floor window 4.5 above the ground.

1) At what speed should you throw the package so it just barely reaches the window?

2)At what angle should you throw the package so it just barely reaches the window?




Put your comment
 
Minimize


Ask Question & Get Answers from Experts
Browse some more (Physics) Materials
A snow skier is racing down a 50-degree slope. If there is no friction between the skis and the snow, What is the component of the acceleration of gravity that causes the ski
A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is 3.7 kg · m2. find the resulting angular speed
A hiker, who weighs 810 Newton, is strolling through the woods and crosses a small horizontal bridge. Find the magnitude of the force that a concrete support exerts on the bri
A 5.7x10^2 kg hot-air balloon takes off from rest at the surface of the earth. The wind and lift forces take the balloon up, doing +9.7 x 10^4 J of work on the balloon in th
A pitcher claims he can throw a 0.145-kg baseball with as muchmomentum as a 3.00-g bullet moving with a speed of 1.50 x 103m/s. What must the baseball's speed be if the pitche
A (massless) rope is wrapped around a wheel of radius R= 2 meters. The wheel is mounted with a frictionless bearing on the center axle through the center. What is the momen
A molecule of DNA (deoxyribonucleic acid) is 2.09 µm long. The ends of the molecule become singly ionized: negative on one end, compute the effective spring constant of the mo
A passenger on a moving train walks at a speed of 1.50 m/s due north relative to the train. What are the magnitude and direction of the velocity of the train relative to the g