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A particle undergoes the following consecutive displacements: 3.50 m south, 8.20 m northeast, and 15.0 m west. What is the resultant displacement?
Engine B also delivers 1500 J of work, while rejecting heat to an even colder reservoir that has a temperature of T2. Find the temperatures.
List and describe the functions of the agranulocytes.
A person exerts a horizontal force of F = 190 N in the test apparatus shown in the drawing. (h of arm = 0.34 m. And h of flexor muscle= .054 m) Find the horizontal force M that his flexor muscle exe
Use kinematic equations to find the magnitude of the acceleration on the bullet as it is penetrating the block (ignore gravity, and assume that the force on the bullet as it penetrates the block is
A 66 kg boy and a 43 kg girl use an elastic rope while engaged in a tug-of-war on an icy, frictionless surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the
A ranger in a national park is driving at 34.0 mi/h when a deer jumps into the road 190 ft ahead of the vehicle. After a reaction time t, the ranger applies the brakes to produce an acceleration of
The total electric flux from a cubical box 30.0 cm on a side is 1.65 × 103 N·m2/C. What charge is enclosed by the box?
What is the difference between the cephalothorax and abdomen
An electric dipole is formed from +/-4.0 nC point charges spaced 3.0 mm apart. The dipole is centered at the origin, oriented along the y-axis. What is the electric field strength at point (x,y) =
A 25g rifle bullet traveling 280m/s buries itself in a 3.6kg pendulum hanging on a 2.8m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal component
The loaded cab of an elevator has a mass of 2.7 x 103 kg and moves 228 m up the shaft in 21 s at constant speed. At what average rate does the force from the cable do work on the cab?
A 65 kg ice skater coasts with no effort for 85 m until she stops. If the coefficient of kinetic friction between her skates and the ice is µk = 0.13, how fast was she moving at the start of
Find the average magnitude of the induced emf if the change in shape occurs in 4.14 s, and the local 0.120 T magnetic field is perpendicular to the plane of the loop.
A horizontal pipe contains water at a pressure of 100 kPa flowing with a speed of 1.5 m/s. The pipe narrows to one-half its original diameter. What are the speed and the pressure of the water when
If the freezer keeps its interior at a temperature of -5.0°C in a 20.0°C room, what is its theoretical maximum performance coefficient? What is the theoretical maximum amount of ice this fre
Compare the sizes of the different digestive organs of the earthworm. Which organ is the largest in the earthworm? How does its size make it well suited for its function
The magnitude of the charge on a parallel plate capacitor is 4uC and the potential difference between the plates is 80V. What is the capacitance of this capacitor?
A speedboat moving at 34.0 m/s approaches a no-wake buoy marker 100 m ahead. How long does it take the boat to reach the buoy?
A 9400 kg boxcar traveling at 21 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 12 m/s. What is the mass of the second car?
A marble moving 1.48 m/s rolls off the top edge of a 125. cm high table. How far from the base of the table did it strike the floor?
The major theories of biology. The major theories of biology.
A 185 m long cannon with a launch speed of 9.41 km/s. What would have been the unrealistically large acceleration experienced by the space travelers during launch?
A small ball of mass 50 g is suspended from a string of length 66 cm and whirled in a circle lying in the horizontal plane. If the string makes an angle of 21? with the vertical, find the centripet
Estimate the terminal speed of a wooden sphere (density 0.810 g/cm3) falling through air, if its radius is 8.00 cm and its drag coefficient is 0.500. (The density of air is 1.20 kg/m3.)