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Q. If the net force acting on an object is in the positive x-direction, the object moves only in the positive x-direction.
It is not true, the object will accelerate only in the x-direction, but it may be traveling in the y-direction and it could continue to do so making the path it follows a parabola. Think about a ball kicked off a cliff. There is a net force only in the y-direction (gravity) so the ball will accelerate downwards while continuing with a constant horizontal velocity.
m2, 8.5 kg, is accelerating down an incline at a constant rate. m1 is being pulled by a string attached between the two masses. The coefficient of friction between m1 and the horiz
Thermoelectric refrigerator : The working of thermoelectric refrigerator is totally based on Peltier effect. Thermoelectric generator : Thermocouple can be used to obtain ele
a) Heat produced is directly proportional to the square of the current passing by a conductor. b) This effect is produced because of collision of free electrons with positive io
Null experiment: An experiment that yields no result after being executed. Null experiments are just as meaningful as non-null experiments; if current theory determined an obs
The signal which shows the continuous variation of voltage with time is called as analog voltage signal
ACCELERATION: The time rate of change of velocity of a body is known as acceleration.
I want to measure H, not B The magnets in question are permanent magnets (large Neo or SmCo magnets), not coils ============================== Steel _______
Plastics are polymers, meaning they are made up of molecules from many different elements. By utilizing different combinations, new polymers are made that can be manipulated from m
Q. Why nichrome is used as heating element in electric heating devices? Nichrome, an alloy of nickel as well as chromium is used as the heating element for the following reaso
Uses of Ultrasonics: 1. Ultrasonic are used in diagnosis of disease, physical therapy as surgical tool & industry. 2. They are used in sounding devices to calculate the dept
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