Spider laid her large plane web on a Cartesian co-ordinate system.She located 2 identical small speakers,at (X =-3m, Y=8m), (X=3m, Y=-8m).She drove both speakers with the same electrical signal,they...

Spider laid her large plane web on a Cartesian co-ordinate system.She located 2 identical small speakers,at (X =-3m, Y=8m), (X=3m, Y=-8m).She drove both speakers with the same electrical signal,they...

Jane won, crossing the finish line 5m ahead of Nick. Jane was a good sport, and agreed to start a second race 5m behind the start line, so she would have to run 105m while Nick ran 100m. assuming...

Assume that the car is moving: a) away from the listenEd. Ans.413 Hz b) toward the listener. Ans.494 Hz ps. How can I get the answer? Thx!

She plays the same note again but blows harder the second time. What characteristics of the sound wave will change as a result?

a) How far is the water from the top of the tube if the temperatur eis 21*C? ans. (17cm) b) If the tube is 1m long, at what points will other resonances will occur? pans. (50cm,...

A lead ball is dropped into a lake from a diving board 5m above the water . It hits the water with a certain velocity and then sink with constant velocity in bottom . It reaches the bottom 5 second...

Is it true or false?

solve Resistance on the flywheel = 25 N Cranking speed = 60 rpm Distance traveled per revolution = 6 meters

A jet travels 3860mi against a jetstream in 5 hours and 4610mi with the jetstream in the same amount of time. What is the rate of the jet in still air and what is the...

A body of mass 2kg is placed on another body of mass 4kg which is on top of a table. coefficient of friction between the body 2kg and 4kg is 0.2 and that of body 4kg and surface of...

A body is thrown up with a velocity of 100m/s if it travels 5 m in the last seconds of its journey . If the same ball is thrown up with the initial velocity of 200m/s . What distance will it travel...

A car moving at 40km/h is to be stopped by applying brakes in the next 4.0 m. if the car weight 2000kg what average force must be applied on it? Ans : Since car moving at speed 40km/h with...

The sum , difference and cross product of two vector A and B are mutually perpendicular if A and B are perpendicular to each other and |A| = |B| This...

A ball is dropped from a ballon going up at a speed of 7m/s . If the ballon was at 60m at time of dropping the ball how long the ball takes to reach ground level .

Rotation of earth is motion or revolution is motion !what is definition of motion?

Distinguish between loudness and intensity of sound.

define pitch and what effect pitch