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You have been employed by the local circus to plan their human cannonball performance. For this act, a spring loaded cannon will shoot a human projectile, the Great Flyinski, across the big top to the net below. The net is located 5.0m lower than the muzzle of the cannon from which the Great Flyinski is launched. The cannon will shoot the Great Flyinski at an angle of 35 degrees above the horizontal and at a speed of 18 m/s. The ringmaster has asked that you decide how far from the cannon to place the net so that the Great Flyinski will land in the net and not be splattered on the floor, which would greatly disturb the audience. What do you tell the ringmaster?
What is the speed of the projectile immediately before it hits the ground if air friction does one and a half times as much work on projectile when it is going down as it did when it was going up.
Particle track detectors are used to measure the speed of particles if the lifetime of the particle is known. Particle X has a lifetime of 256.2 ps. What is the average speed of the particles in terms of the speed of light
Two balls attached to strings have the same mass and volume, but are made of different materials. Which ball exerts a greater net force on the block
An Earth satellite moves in a circular orbit 644 km above Earth's surface with a period of 97.40 min, What are the magnitude of the centripetal acceleration of the satellite
A 710 kg car stopped at an intersection is rear-ended by a 1800 kgtruck moving with a speed of 16 m/s. If the car was in neutral andits brakes were off, so that the collision is estimated elasticfind the final speed of the truck. Find the final sp..
Two identical spheres are made of conducting material. Initially, sphere 1 has a net charge of 33Q and sphere 2 has a net charge of -18 Q
The coefficients of friction between a block of mass 1.0 kg and a surface are ?s = 0.75 and ?k = 0.40. What is the magnitude of the frictional force
Two masses are placed on an airtrack and given initial velocities towards each other. Calculate the impulse acting on mass one during the collision
Visible light passes through a diffraction grating that has 900 slits per centimeter, What is the difference between these wavelengths
A 55.0 kg circus performer oscillates up and down at the end of a long elastic rope at a rate of once every 8s. The elastic rope obeys Hooke's Law. By how much is rope extended beyond its unloaded length while the performer hangs at rest?
A rock is lauched from the moon and travels away from it at a speed of 2/5, Call the event of the rocket's lauching event A, Draw a spacetime diagram of the situation, drawing and labeling the worldlines of the moon
A worker on top of a radar tower 22.4 ft high drops a wrench off the tower. What is the speed of the wrench when it hits the ground
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