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A hunter aims directly at a target (on the same level) 113 m away. If the bullet leaves the gun at a speed of 255 m/s, by how much will it miss the target?
A 3.0 syringe has an inner diameter of 5.0 , a needle inner diameter of 0.28 , and a plunger pad diameter (where you place yfinger) of 1.2 . A nurse uses the syringe to inject medicine into a patie
What is responsible or raising Jim's heart and respiratory rate and stimulating sweating just before the race?
when a 103 N bag of nails hangs motionless from a single vertical strand of rope, how much tensions is exerted in each strand?
The density of free electrons in gold is 5.90 x 1028 m-3. The resistivity of gold is 2.44 x 10-8 at a temperature of and the temperature coefficient of resistivity is 0.004 ()-1. A gold wire, 1.3 m
An airplane flies 200km due west from city A to city B and then 300 km in the direction of 30 degrees North of West from city B to city C. In straight-line distance, how far is city C from city A?
A 63-kg person on skis starts from rest down a hill sloped at 33° from the horizontal. The coefficient of friction between the skis and the snow is 0.19. After the skier had been moving for 5.0
The nucleus of the helium atom contains two protons that are separated by about 3.0 X 10-15 m. Find the magnitude of the electrostatic force that each proton exerts on the other.
At an outdoor market a bunch of bananas is set to oscillatory motion with an amplitude of 20.0 cm on a spring with a force constant of 16.0 N/m. It is observed that the maximum speed of the bunch o
Car 1 has 5 times the mass of car 2, but only 0.4 as much kinetic energy. What is the ratio between the speeds of the two cars (v1/v2)?
By how much vertical distance does the ball clear the crossbar?
A string of 14 identical Christmas tree lights are connected in series to a 124 V source. The string dissipates 70 W. What is the equivalent resistance of the light string?
An 8.00-kg point mass and a 15.0-kg point mass are held in place 50.0 cm apart. A particle of mass m is released from a point between the two masses 20.0 cm from the 8.00-kg mass along
The skin temperature of a person is 36 °C and that of her environment is 22 °C. The emissivity of her skin is 0.75 and its surface area is 1.3 m2. How much time would it take for her to emit
a mass attached to a 50 cm string starts from rest and is rotated in a circular path exactly 40 times in one minute before reaching a final angular speed. What is the angular speed of the mass after
Determination of magnetic source depth of monkin area from spectral analysis of magnetic data
Monochromatic electromagnetic radiation with wavelength lambda from a distant source passes through a slit. The diffraction pattern is observed on a screen 2.50 rm m from the slit.
Tarzan swings on a 30.0-m-long vine initially inclined at an angle of 370 with the vertical. What is his speed at the bottom of the swings if he starts from rest?
A 5-g lead bullet traveling in 20^{circ}C air at 300 m/s strikes a flat steel plate and stops. What is the final temperature of the lead bullet? (Assume the bullet retains all heat.) The melting po
A 747 airliner reaches its takeoff speed of 170 in 35.3 . What is the magnitude of its average acceleration?
a motorist driving along a straight road at a constant speed of 60 m/s. At time t=0 she passes a parked motorcycle police officer and begins to accelerate at a constant acceleration a. the officer
A car can decelerate at -4.20 m/s2 without skidding when coming to rest on a level road. What would be the magnitude of its deceleration if the road were inclined at 11° uphill? Assume the same
An archer shoots a 0.10 kg arrow with a speed of 60.0 m/s at a 0.40 kg apple resting on a post 1.7 m high. If the arrow sticks in the apple, how far from the post will the arrow and apple fall?
Two charges are placed on the x axis. One of the charges q1= +8.5 C is at x1 = + 3.0 cm and the other q2= -21C is at x1 = +9. 0 cm. Find the net electric field (magnitude and direction) at
Vector A is 7.0 cm long and points along the negative x axis. Vector b is 8.5 cm long and points at +77 to the positive x axis. Determine the x and y components of both vectors