A ball thrown upwards reaches a maximum height and then comes back down to the original level. At the peak of the motion the velocity and acceleration are both zero
a. True
b. False
Indicate whether the statement is true or false
False
You might also like to view...
Define the celestial sphere
What will be an ideal response?
X-rays of wavelength of 0.0656 nm undergo Compton scattering from free electrons in carbon. What is the wavelength of photons scattered at 82.5° relative to the incident beam? (h = 6.63 × 10^?34 J?s, me = 9.11 × 10^?31 kg, c = 3.00 × 10^8 m/s, and 1 nm = 10?9 m)
a. 0.0656 nm b. 0.0677 nm c. 0.0848 nm d. 0.0719 nm e. 0.0659 nm
A circular loop of wire of cross-sectional area 0.12 m2 consists of 200 turns, each carrying 0.50 A. It is placed in a magnetic field of 0.050 T oriented at 30° to the plane of the loop. What torque acts on the loop?
A) 0.25 m?N B) 0.52 m?N C) 2.5 m?N D) 5.2 m?N E) 25 m?N
What is the mass of a water molecule, H20, in atomic mass units?
A) 2 amu B) 3 amu C) 16 amu D) 18 amu