If we learn that F = G mM/d2 where the units are F:Newtons, m:kg, M:kg, and d:meters; what are the units of G?
What will be an ideal response?
Newton-meter2 /kilogram2
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In a shear-thinning material, the applied shear stress divided by the viscosity is equal to the shear strain rate to a power that is equal to
(a) 1 (b) A number less than 1 (c) A number more than 1 (d) 2
The ____ of an object can be measured in degrees
a. apparent brightness b. apparent magnitude c. zenith d. angular diameter e. color
Projectile Motion: A high-speed dart is shot from ground level with a speed of 150 m/s at an angle 30° above the horizontal. What is the vertical component of its velocity after 4.0 s if air resistance is neglected?
A. 150 m/s B. 36 m/s C. 130 m/s D. 75 m/s E. 38 m/s
Photoelectric Effect Using Stopping Potential: When a photoelectric surface is illuminated with light of wavelength 437 nm, the stopping potential is measured to be 1.67 V. (1 eV = 1.60 × 10-19 J, e = 1.60 × 10-19 C, melectron = 9.11 × 10-31 kg, h = 6.626 × 10-34 J ? s)(a) What is the work function of the metal, in eV?(b) What is the maximum speed of the ejected electrons?
What will be an ideal response?