FISIKA KKI 27
Three cars with the same mass m are shown in the accompanying figure. Car 1 moves to the right direction with the speed v and collides with car 2. After…
FISIKA KKI 28
A 20 g piece of aluminium (c = 0.21 cal/g0C) at 900C is dropped into a cavity in a large block of ice at O0C. How much does the ice…
FISIKA KKI 3
A hockey puck on a frozen pond is given an initial speed of 20.0 m/s. If the puck always remains on the ice and slides 115 m before coming to…
FISIKA KKI 30
Two origins of sounds are separated by a distance d. Both sounds are in phase. Each sound source emits a wave with wavelength λ. The path difference of the two…
FISIKA KKI 31
A wave is described by the equation y(x,t )= 0.030 sin (5πx + 4πt ), where x and y are in meters and t is in seconds. The +x direction…
FISIKA KKI 32
You are given two lenses, a converging lens with focal length +10 cm and a diverging lens with focal length -20 cm. Which of the following would produce a virtual…
FISIKA KKI 33
One particle has mass m. It travels along a way and makes an upright angle with a magnetic field. Because the particle has a positive charge q, it is influenced…
FISIKA KKI 34
Four identical light bulbs (B1, B2, B3, and B4) and six voltmeters are connected as shown in the figure. Assuming that V is as its original reading when all bulbs…
FISIKA KKI 2
A bullet of mass m = 0:01 kg is fired into a ballistic pendulum of mass M = 2:0 kg as shown in above. The bullet remains in the block…
FISIKA KKI 20
A particle of mass 5 g is placed in a downward-directed electric field of magnitude 800 N/C.(g= 9.8 m/s²). To keep the particle stationary, the sign and magnitude of the…
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