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The pendulum in a grandfather clock is made of brass and keeps perfect time at 20 ° C ^circ C.How much time is gained or lost in a year if the clock is kept at 30 ° C ^circ C? (Assume the frequency
A rectangular piece of cortical bone with sides 2 cm (z) x 3 cm(x) x 4 cm (y), is tested by applying bi-axial forces in the x and y directions. Both forces have equal magnitudes Fx = Fy = 6000 N. As
A solid conducting sphere of radius a has a net positive charge 2Q. A conductng spherical shell of inner radius b and outer radius c is concentric with the solid sphere and has a net charge -Q. The
A 1.0 kg mass attached to a spring moves at 2.0 m/s when it passes through it's equilibrium position and is instantaneously at rest at a distance of 20cm from its equilibrium position. What is the
Nutrition and Exercise Plan for Mitch
1. You run from the physics building to the library, 100m away in 12.43s. You then turn around & run back to the physics building in 13.57s. Calculate the Average Speed (magnitude of the velocit
What are the names of the cells that line the brain ventricles? They have cilia that move the CSF.
Encouraging the growth (via nutrient fertilization) of photosynthetic protists in marine environments may help reduce global warming. Why?
Two identical carts travel towards each other at the same speed, v, along a frictionless track. They collide and stick together. What is the speed of the two-cart system after the collision? Show yo
Assume the diameter of the field of the vision in your microscope is 2 mm under low power. If one bacillus cell is 2 um, how many bacillus could fit end to end across de field? How many 10 um yeast ce
A beam of protons is moving toward a target in a particle accelerator. This beam constitutes a current whose value is 0.50mA. How many protons strike the target in 15s?
What subdivisions make up the geologic time scale? What is the primary basis for differentiating the eras?
Which of the following is not true of all horizontally oriented phylogenetic trees, where time advances to the right?
A sound wave is traveling through a medium no one has ever heard of but its velocity is 2.51m/s and its frequency is 36.9 Hz. What is the wavelength of this wave?
Assume the diameter of the field of vision in your microscope is 2 mm under low power. I
Assume that the potential is defined to be zero infinitely far away from the particles. Unlike the electric field, the potential will be zero at multiple points near the particles. Find the two poin
Which represents adaptations to the same environmental challenge?
Determine the pressure change when a constant volume of gas at 1.60 atm is heated from 20.0C to 30.0C
Discuss the relative value, with respect to bodily homeostasis, of (1)immovable, (2) slightly immovable, and (3) freely movable joints
A 6.0 resistor is connected across the terminals of a 10.0 V battery. If 0.50 A of current flows, what is the internal resistance of the battery?
How to get 2000 recessive gene out of male HH Female HH Male Hh Female Hh i need to make 2000 eggs of horseshoe crabs
A 2.0 C charge is moving 1.5 m/s in the +z-direction through a 2.0 N/C electric field in +x-direction and a 0.50 T magnetic field in the -z-direction. What is the direction and magnitude of the tot
Light from a lamp, which emits light a several discreet different wavelength, illuminates an 800 line/mm diffraction grating. A screen is placed 50.0 cm behind the grating where the light is observ
A proton moves straight upward (away from the ground) through a uniform magnetic field that points from east to west and has a magnitude of 4.0 T. If the proton moves with a speed 0.79×107m/s
You hold a hammer at a height of 1.31 m, release it, and observe that it falls to the surface in 25.4 s. Determine the mass of the planet (in Tkg; 1 Tkg = 1012 kg)