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The axial magnetic field at a distance from a magnet falls-off as l/d3
"Machine epsilon" is a computer term describing the minimum quantity that can be added to 1 to give a different number
If A = (12i - 16j) and B = (-24i+10j), what is the magnitude of the vector C=(2A-B)?
In 1992, Akira Matsushima, from Japan, rode a unicycle across the United States, covering about 4800 km in six weeks.
A 200 g ball is thrown upwards with an initial kinetic energy of 10 Joules. What maximum height will the ball reach? (neglect air resistance).
What is the electric force (with direction) on an electron in a uniform electric field of strength 2780 N/C that points due east?
Use one of Fresnel’s equations to calculate the ratio of Et0, the amplitude of the transmitted electric field, to Ei0, the amplitude of the incident.
While exploring a cave a woman starts at the entrance and moves the following distances. She goes 75.0m north,250m east, 125m @an angle of 30 degrees
Determine the position of the center of mass of a solid triangular pyramid with vertices
A block of mass m slides down a frictionless incline. The block is released at height h above the bottom of the loop.
Two vectors having equal magnitudes (A) makes an angle z with each other. Find the magnitude and direction of the resultant
Assume the ropes and pulley have negligible mass and that friction can be ignored. (Use m1 for m1, m2 for m2, and h and g as necessary.)
A shopper pushing a cart through a store moves 30.0m south down onee aisle, then makes a 90 degree turn and moves 19.0m
What fraction of the initial kinetic energy is transferred to the target particle? At what angle does the target particle move after the collision?
A hiker walks due north for 4.0 km to reach point A and then northeast for 6.0 km to reach point B. Find by calculation or by scale drawing:
A projectile is fired straight up from the south pole of earth with an initial speed of 8.0km/s. Find the maximum height it reaches, neglecting effects.
Understanding physical principles is often very useful in everyday life. For example, a skater develops an intuitive understanding of angular momentum
1 kg object moving 2m/s collides elastically with a stationary 1kg object. How far will the initially stationary object travel along a 37 degree inclined plane?
A Vector F has a magnitude of 20 and is directed vertically downward. Find is components Fx and Fy in each of the coordinate frames.
A massless spring with spring constant 19 N/m hangs vertically. A body of mass 0.20 kg is attached to its free end and then released.
A loudspeaker diaphragm is oscillating in simple harmonic motion with a frequency of 461 Hz and a maximum displacement of 0.57 mm.
Find A^ and B^ (unit vector in that direction).
Consider the action for a particle in a potential U.
Use F1 of 160g at 280 degrees, F2 of 105 grams at 60 degrees and F3 of 75g at 15 degrees counter clockwise from the +y axis. Determine the equilibriant
A meteor is moving at a speed of 32000 km/hr relative to the centre of Earth at a point 560 km from the surface of the Earth.