Specific heat of the container
What is the final equilibrium temperature when 28 g of milk at 12?C is added to 140 g of coffee at 65?C? Assume the specific heats of milk and coffee are the same as that of water, and neglect the specific heat of the container.
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The cockroach finds a bread crumb on the rim and, of course, stops. (a) What is the angular speed of the lazy Susan after the cockroach stops ? (b) Is mechanical energy conserved ?
A flat (unbanked) curve on a highway has a radius of 200 m. A car rounds the curve at a speed of 18.0 m/s. What is the minimum coefficient of friction that will prevent sliding?
After a 0.200-kg rubber ball is dropped from a height of 1.90 m, it bounces off a concrete floor and rebounds to a height of 1.45 m. a) Determine the magnitude and direction of the impulse delivered to the ball by the floor.
Supporting his theory, since 2001, workers in the United States have increased their hours worked while tax rates have dropped. What theory or theories of motivation might explain such a change?
A 23 rifle bullet traveling 290 buries itself in a 3.3 pendulum hanging on a 3.0 long string, which makes the pendulum swing upward in an arc.
While standing at a crosswalk, you hear a frequency of 560 Hz from an approaching police car. After the police car passes, its frequency is 480 Hz. What is the speed of the police car? (speed of sound = 340 m/s)
A 0.300-kg mass, attached to the end of a 0.750-m string, is whirled around in a smooth level table. If the maximum tension that the string can withstand is 250 N, then what maximum linear speed can the mass have if the string is not to break?
You are driving a 3000 kg car at a constant speed 20 m/s along an icy road. While approaching a traffic light, it turn red. You slam on the brakes and come to a complete stop. The skid marks are 20 m long. What is the force of friction between the
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Discuss how agonal changes can affect the postmortem condition of the body. State the order of decomposition of body compounds
Problem 1: What are three characteristics of fungi? Problem 2: What is hyphae and mycelium? Problem 3: What are the characteristics of division Ascomycota?
What domain are protozoa in? What other organisms are in this domain? What is a similarity between plants and algae?
Question: The phosphoric constitution is identified by which of the following physical traits?
Problem 1: What are the three basic shapes in bacteria? Problem 2: Outline the procedure used for simple staining.
A condition at death when the blood settles to the bottom side (blood pooling) of the body, a purplish stain will form on the skin of the body closest
Identify three morphological, behavioral, or physiological traits of dinosaurs that are being portrayed in the movie.