4. A bowling ball of mass 4.0kg strikes a 10-pin of mass 0.80kg. The ball's velocity was 1.5m/s before the collision, but after the collision it is 1.2m/s. What is the velocity of the pin just after the collision? Treat this as a one-dimensional situation: we assume that the ball hits the pin "square". 5. A 60kg bicyclist is
A car is traveling downhill with a constant velocity. Which of the following are true? (a) There is a net force acting on the car in the downhill direction. (b) There is a net force on the car in the uphill direction. (c) There is a net vertical force acting on the car. (d) There is no net force acting on the car.
A 50 g ball of putty moving with a velocity of 3.0 ms has an inelastic collision head on with a stationary mass of 50 g and sticks to it. Find the velocity of the stationary mass and the putty after the collision.
The initial (t=0) position, velocity, and acceleration of an object moving in simple harmonic motion (with center at the origin x=0) are xi=3.00 cm, vi=4.00 cm/s, and ai=-7.00 cm/s2, respectively. Use the cosine function to specify the position. (a) Determine the angular frequency of the motion. rad/s (b) Determine the
A harmonic wave is given by y(x,t) = 4cos(3.61x - 6.1t). To the nearest hundredth of a meter what is the wavelength? What is its period to the nearest thousandth of a second? What is the velocity of the wave to the nearest hundredth of a m/s? What will be the value of y to two decimal places in problem 1 if x = 1.07 and
7-57 A 0.150-kg block of ice is placed against a horizontal compressed spring mounted on a horizontal tabletop that is 1.20m above the floor. The spring has force constant 1900N/m and is initially compressed 0.045m. The mass of the spring is negligible. The spring is released, and the block slides along the table, goes off the e
The velocity of waves on a string is 277 m/s. If the frequency of standing waves is 131 Hz, how far apart are the nodes?
(See attached file for full problem description with symbols and diagrams) 1.) A block hangs in equilibrium from a vertical spring. When a second identical block is added, the original block sags by 6.00 . Part A What is the oscillation frequency of the two-block system? 2.) The figure is the velocity-versus-time gra
After an intense battle against physics test, some guy goes to his dorm, exhausted and wounded. While eating his hybrid beetle- cockroach stumbling around. In a quick relocation plan, the guy gives it a gentle flick:(see attachment for diagram): The bug is flicked at a 45 degree angle with an initial velocity of 2 m/s. If the
(See attached file for full problem description with diagrams) --- ? A 9.26-kg sign is hung using two cables which make an angle of 34.5 degrees with the horizontal. Determine the weight (in Newtons) of the sign. ? Referring to the previous problem.) Determine the tension (in Newtons) in a single cable. ? A 55.9-kg sig
See the attached file. 1. A 1-kg block of wood is dropped from a position 2.4 meters above a resting 0.05-kg ball. Shortly thereafter, the ball is shot horizontally at a velocity of 28 m/s. If the wood is 8.4 meters away from the ball in the horizontal direction, determine the distance (to two decimal places) the wood falls fro
A runner of mass m runs around the edge of a horizontal turntable mounted on a vertical, frictionless axis through its center. The runner's velocity relative to the earth has magnitude v. The turntable is rotating in the opposite direction with an angular velocity of magnitude omega relative to the earth. The radius of the turnt
If a planet has a mass of 9.42 x 1024 kg and a radius of 5.47 x 106 meters, to the nearest m/s what is its escape velocity? If the mass is increased by a factor of 2, what is the new escape velocity? If the radius is decreased by a factor of 0.22, what is its new escape velocity? (See attached file for full problem desc
(See attached file for full problem description with diagram and symbols) --- 1.) A thin, 80.0 disk with a diameter of 9.00 rotates about an axis through its center with 0.220 of kinetic energy. What is the speed of a point on the rim? 2.) A 3.0-m-long rigid beam with a mass of 100 kg is supported at each end. An 8
See attached file for full problem description. This course is the third in a three-term introductory physics sequence. The topics covered in this course include: I. Heat and Thermodynamics, II. Wave Phenomena, and III. Introduction to Special Relativity. These topics are essential for understanding a wide range of physical p
Pulse wave in dispersive medium. See attached file for full problem description.
Find the resultant velocity vector induced at point A by the uniform stream, line source, line sink, and vortex. Please see the attached file for the fully formatted problem.
A 2.28 N force is applied to the plunger of a hypodermic needle. If the diameter of the plunger is 1.14 cm and that of the needle 0.215 mm, with what force does the fluid leave the needle?
The drinking fountain outside your classroom shoots water about 16.6 cm up in the air from a nozzle of diameter 0.594 cm. The pump at the base of the unit (1.20 m below the nozzle) pushes water into a 1.20 cm diameter supply pipe that goes up to the nozzle. What gauge pressure does the pump have to provide? Ignore the viscosity;
A ball of mass 0.192 kg has a velocity of 1.52 i m/s; a ball of mass 0.302 kg has a velocity of -0.394 i m/s.They meet in a head-on elastic collision. (a) Find their velocities after the collision. m/s i (first ball) m/s i (second ball) (b) Find the velocity of their center of mass before and after the collision. m/
? Tom is chasing Jerry across a table 1.5 m high, Jerry steps out of the way at the last second, and tom slides off the edge of the table at a speed of 5 m/s. where will tom strike the floor and what velocity components will he have just before he hits the ground. ? Two objects are initially the same height above the groun
Please see attached files for full problem descriptions. Problem 4: The pilot of an aircraft wishes to fly due west in a wind blowing at 55 km/h toward the south. If the speed of the aircraft in the absence of wind is 179 km/h, in what direction (in degrees) should the aircraft head? Use the counter-clockwise from east conv
Sand from a stationary hopper falls onto a moving conveyor belt at the rate of 5.00 kg/s as in the figure. The conveyor belt is supported by frictionless rollers and moves at a constant speed of 0.750 m/s under the action of a constant horizontal external force Fext supplied by the motor that drives the belt. Find (a) the san
A 3 kg bowling ball traveling with a velocity of 3 m/s collides head on with another bowling ball of the same mass traveling with a velocity of -2 m/s. If the collision is perfectly elastic, the velocities of the bowling balls after the collision are what?
(a) Without the wheels, a bicycle frame has a mass of 8.13 kg. Each of the wheels can be roughly modeled as a uniform solid disk with a mass of 0.820 kg and a radius of 0.343 m. Find the kinetic energy of the whole bicycle when it is moving forward at 3.35 m/s. K= J (b) Before the invention of a wheel turning on an axle,
Please explain how to calculate the velocity of a projectile shot upward from the surface of the earth with an initial velocity of 120 m/s after 5 seconds and after 10 seconds using a position function of s(t) = -4.9(t^2) + Vo(t) + So.
If an object with a velocity of Xm/s on an air track hits a second object that is not moving (no velocity) and they stick together, and we know that the mass of the second object is 8 times the mass of the first object, how do you calculate the final velocity?
Assuming a perfectly circular orbit, how do you calculate the velocity of an object as it orbits around another object assuming for the rotating object that R=150x 10 to the six power km?
What are the speed of the resulting 50 g blob of clay? See attached file for full problem description with units.
I have a problem just like it in my physics book, but the mass is different. In my book it is 600 g and the answer is 0.2 s. See attached file for full problem description with diagram and units. A 400 air-track glider collides with a spring at one end of the track. The figure 1 shows the glider's velocity and the for