The horizontal surface on which the objects slide is frictionless. If M = 1.0 kg and the magnitude of the force of the small block on the large block is 5.2 N, determine F
a.
6.0 N
b.
9.0 N
c.
7.8 N
d.
4.8 N
e.
4.1 N
c
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In a 120-volt circuit, 120 joules of
1) charge move each second, which makes up the current, 2) energy are given to each unit of charge that makes up the current, 3) energy are given to each unit of resistance in the circuit, and if the current is 1 ampere, then 4) 1 unit of charge per second passes any point in the circuit. 5) 120 units of charge per second pass any point in the circuit. 6) the resistance of the circuit is 1 ohm.
A hydrogen atom is excited to the n = 11 level. Its decay to the n = 7 level is detected in a photographic plate. What is the wavelength of the light photographed? (c = 3.00 × 108 m/s, 1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ? s)
A) 7,510 nm B) 4,670 nm C) 12,400 nm D) 4,380 nm
A 1000 kg sports car accelerates from zero to 25 m/s in 6.25 s. What is the average power delivered by the automobile engine?
a. 20.8 kW c. 41.7 kW b. 30.3 kW d. 50.0 kW
From center to surface, which of the following correctly lists the interior layers (defined by density) of a terrestrial world?
A) core, mantle, crust B) mantle, core, crust C) mantle, crust, core D) core, crust, lithosphere