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1. Describe a wave pulse and a continuous progressive (traveling) wave
2. Describe and give examples of transverse and longitudinal waves
3. Which of acceleration, age, speed, temperature, and velocity are vector quantities?
A child's toy consists of a piece of plastic attached to a spring in the figure below. The spring is compressed against the floor a distance of 2.00 cm, estimate the force constant of the spring
You have a 6kg cart that has a spring attached to the front. You hold the cart so the spring is compressed against the wall. What is the total work done by the spring on the cart
How much heat is released when a mixture containing 23.0 g CS2 and 23.0 g Cl2 reacts by the following equation CS2(g) + 3Cl2(g) ---> S2Cl2(g) + CCl4(g) delta H= -230 kJ
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. What is the minimum uncertainty in the duck's speed
In heavy rush-hour traffic you drive in a straight line at 12 m/s for 1.5 minutes, then you have to stop for 3.5 minutes, and finally you drive at 15 m/s for another 2.5 minutes. compute the average velocity between t=0 and t=7.5 minutes.
A grade school student plans to build a 31-power telescope as a science fair project. What focal length is needed for her objective lens
Two rocks collide in outer space. Before the collision, one rock had mass 15 kg and velocity ‹ 4300, ?2700, 2350 › m/s. what is the velocity of the other rock
A heavy box is pulled across a wooden floor with a rope. The rope makes an angle of 60o with the floor. A force of 75N is exerted on the rope. find the component of the force parallel to the floor
The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm (red) and 486 nm (blue). compute the distance between the first-order red and blue fringes
Using a diesel fired boiler with an efficiency of 80%.How many liters of diesel is required to create 1000kg of steam at 120degrees Celsius from make up water at 20 degrees Celsius.given that enthalpy of steam at 120 degrees Celsius is 2706.3kJ/kg..
A single conservative force F(x) acts on a 2.9 kg particle that moves along an x axis. The potential energy U(x) associated with F(x) is given by U(x) = -3.8xe^-x/5, What is the mechanical energy of the system
There is evidence that elephants communicate via infrasound, Determine the intensity level of the infrasound 10 km from the source, assuming the sound energy radiates uniformly in all directions
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