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a) What are the total force and the absolute pressure on the bottom of a swimming pool 2.8 m by 1.6 m whose uniform depth is 2.0 m?
total force _______N (downward) absolute pressure______ N/m2
(b) What will be the pressure against the side of the pool near the bottom? _______ N/m2
An alpha particle is a nucleus of helium. It has twice the charge and four times the mass of the proton. When they were very far away from each other, but headed toward directly each other, a proton and an alpha particle each had an initial speed ..
A horizontal spring-mass system has low friction, spring stiffness 205 N/m, and mass 0.6 kg. What is the maximum speed during the motion
The altitude of a hang glider is increasing at a rate of 6.79 m/s. At the same time, Calculate the magnitude of the glider's velocity
The net force on a boat causes it to accelerate at1.55 m/s2. The mass of the boat is 215 kilogram. Determine the mass of the second boat
An object 4.0 cm tall is 20 cm in front of a convex mirror with a radius of curvature of 20 cm. How big is the image in cm
A diffraction grating is designed to have the second-order maxima at 18? from the central maximum for red light (? = 700 nm). How many lines per centimeter does the grating have
In Fig. the solid line shows a simplified version of the potential energy of an electron in an argon atom. The dashed line shows the total energy.
A 10.0 g bullet traveling horizontallt at 755 m/s strikes astationary target, What is the average force of the target on the bullet
The front 1.20 m of a 1,350-kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision. What is the magnitude of the average force on the car
If the internal energy of a system increases as the result of an adiabatic process, Calculate the work done on or by the system in part (a) if its internal energy increases by 700J
The length of a simple pendulum is 0.79 m, and the mass of the bob at the end of the cord is 0.24 kg. What is the angular frequency of the motion
After emptying her lungs, a person inhales 4.24 L of air at 0 °C and holds her breath. How much does the volume of the air increase as it warms to her body temperature of 37.1 °C
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