Justine is ice-skating at the Lloyd Center. What is her final velocity if she accelerates at a rate of
2.0 m/s2 for 3.5 seconds?
the distance between 2 atomic nucleus is 0.015m,calculate the atomic radier of the atom
If the reflective Index of a medium is 1.5cm and the angle of Incidence=60 calculate the angle of refraction
A child kicks a ball with a force of 160 n. If the ball has a mass of 300g how quickly will it accelerate?
an isotope of element 102, with a mass number of 253 was produced by bombarding 24096Cm with a projectile, which was absorbed by the target nucleus. write the nuclear reaction and identify the element
A sinusoidal travelling wave in x-direction has amplitude of 15 𝑐𝑚, wavelength of 40 𝑐𝑚 and the
frequency of 8 𝐻𝑧. The vertical displacement at 𝑥 = 0 and 𝑡 = 0 is 15 𝑐𝑚. Find (i) Wave number (ii)
Time period (iii) Wave speed, and (iv) Angular frequency of wave.
how would you relate alchemy to synthesis of new elements?
In an electrically neutral atom, the number of protons equals the number of?
The screen of a pinhole camera is a square, of side 0.16m and it is 0.15m behind the pinhole. The camera is placed11m from a flag staff and positioned. The image occupies three-quaters of the height of screen. What is the height of the flag staff? What is the disadvantage of a pinhole camera compared to a lens camera.