1 If the person shown here on the ground is in an inertial reference system, his friends in the van moving by at constant velocity are also in an inertial reference system. True False
Indicate whether the statement is true or false
true
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Consider the steel and concrete boundary shown in the figure and write the node equation for node n. Identify the maximum time step allowed for the explicit method of solving for temperatures.
What will be an ideal response?
Air is pumped into a bicycle tire at constant temperature. The pressure increases because:
A. more molecules strike the tire wall per second B. the molecules are larger C. the molecules are farther apart D. each molecule is moving faster E. each molecule has more kinetic energy
A photon whose wavelength is = 5.0 × 10^-11 m is scattered straight backward. What is the wavelength of the scattered wave?
a. 5.0 × 10^-11 m b. 4.5 × 10^-11 m c. 5.5 × 10^-11 m d. 6.0 × 10^-11 m e. 6.5 × 10^-11 m
What is the only known force that can overcome the repulsion between two positively charged nuclei and bind them together in a single nucleus?
A) the strong force B) the weak force C) the electromagnetic force D) the gravitational force E) the Coriolis force