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calculate the speed of sound and uncertainty of the speed of sound for a lab report. The equation for the speed of sound is V=4LS. S is slope and L is the length of tube through which sound was measured. I know I need to use partial derivatives. The equation for L is L=l+1.2R. R is radius which is equal to 3.6 cm.
A vertical electric field of magnitude 2.00 × 104 N/C exists above the Earth's surface on a day when a thunderstorm is brewing. A car with a rectangular size of 6.00 m by 3.00 m is traveling along a roadway sloping downward at 10.0°. find the elec..
A charge of -5 micro-coulombs is placed at x = 0 cm, y = 0 cm. Another charge of -5 micro-coulombs is placed at x = +22 cm, y = -50 cm. When measured counter-clockwise from the x axis, what angle is the electric force vector acting on the charge a..
A 29.5 kg block is connected to an empty 1kg bucket by a cord running over a frictionless pulley. The coefficient of static friction between the table and the block is 0.50 and the coefficient of kinetic friction between the table and the block is..
Find out the type of mirror and how far the object is
Two identical positive charges exert a repulsive force of 6.6 x10-9 N when separated by a distance of 5.4 10-10 m. what is the charge of each.
On a certain amusement park ride, passengers are seated in a horizontal circle of radius 7.5m. the seats begin to rotate from rest and are uniformly accelerated for 21 seconds to a most rotational speeds of 1.4 rad/s.
A small sphere with mass 2.60g hangs by a thread between two large parallel vertical plates 5.00cm apart. The plates are insulating and have uniform surface charge densities and . The charge on the sphere is = 8.70×10?6C . What potential differenc..
An airplane with a mass of 2.6*10^6 kg. has the air flow past the lower surface of the wings at 100 m/s. If the wings have a surface area of 1200 m2, how fast should the air flow over the upper surface of the wing if the plane is to stay in the ai..
A stone is thrown vertically upward with a speed of 12.3 m/s from the edge of a cliff 84.6m high. What is the speed just before hitting.
A highway patrolman sends a 24.150-GHz radar beam towards a speeding car. The reflected wave is lower in frequency by 4.04-kHZ
The speed of a bullet as it travels down the barrel of a rifle toward the opening is given by v = (-5.30 107) t 2 + (3.15 105) t, where v is in meters per second and t is in seconds.
If the piston has a cross sectional area of 0.0100 m^2 and negligible mass, how high would it rise when the temperature is raised to 250°C.
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