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A cab driver in a hurry is sitting at a red light. When the light turns green she rapidly accelerates for 3.50 s at 6.80 m/s2.
The next light is still red. She then slams on the brakes, accelerating at a rate of -9.60 m/s2 before coming to rest at the stop light.
What was her total distance for this trip?
What is a Newton meter? A unit of energy also called a Joule. When a force of 1 Newton is applied on an object for a distance of 1 meter then 1 Joule of energy is used. It is t
What is the mass of a two stage launch vehicle capable of putting a 100kg satellite into orbit around Mars, beginning in a parking orbit altitude at Earth of 200 km. Solve this pro
Q. Two wires of same material and same length have resistances 5 and 10 respectively. Find the ratio of radii of the two wires. R = ρl / A = ρl / πr 2 R 1 = ρl / A = ρl
laws of successive disintegration
Draw and explain V-I characteristics of constant voltage and constant current sources. Ans: V-I Characteristics of Constant Voltage Source: A voltage source that has very low
The scattering of a photon by an electron is known as Compton Effect. The momentum and energy is preserved. Scattered photon will have less power as compare to incident photon (les
A ray of light itinerant in air passes through a flat plate of glass. Refraction takes place. Where the refraction does occurs? Ans: Refraction takes places when light tra
Can you give the condition for dispersion without deviation and illustrate colour has got the maximum angle of deviation?
Superposition principle The general idea is that, while a number of influences are working on a system, the total influence on that system is just the sum of the individual in
How can we calculate the rate of effusion of nitrogen gas from a cylinder. and how much time it will take??
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