Which scenario best illustrates a dispositional attribution?

$$\displaystyle \lim_{x \to 0} \frac{\tan(4x) - \sin(4x)}{x^3}$$ is

A calculator gives the following values for f(x) near x = 2: f(1.9) = 5.41, f(2) = 6, and f(2.1) = 6.61. Which of the following best approximates f'(2)?

The graph shows $$f(x) = x^2$$ (red) and $$g(x) = 2*x$$ (blue). Determine the area between these two curves on the interval $$[0,2]$$ by evaluating $$\int_0^2 [2*x - x^2] dx$$.

A student constructs a circuit with two resistors R₁ and R₂ connected to a battery. When a wire is accidentally disconnected between R₁ and R₂, which mathematical expression correctly describes the current in the circuit?

A long, straight wire carries a current I. At what distance from the wire is the magnetic field strength equal to exactly half its value at distance r from the wire?

A point charge +Q is placed at distance d from the center of a grounded conducting sphere of radius R (where R < d). The magnitude of the induced charge on the sphere is:

A conducting cube with side length L has a net charge -Q. Which statement correctly describes the charge distribution at electrostatic equilibrium?

An alpha particle (q = +2e, m = 6.64×10⁻²⁷ kg) is fired directly toward a gold nucleus (q = +79e) with initial kinetic energy 5.0 MeV. What is the distance of closest approach?

Two parallel wires separated by 5.0 cm carry currents of 8.0 A and 12.0 A in the same direction. What is the magnitude of the magnetic force per unit length experienced by the first wire due to the magnetic field of the second wire?

In a parallel RC circuit with R = 100 kΩ and C = 2 μF, a 9V battery is suddenly disconnected after being connected for a long time. What is the energy stored in the capacitor immediately after disconnection?

A circular loop of wire with radius 0.1 m lies in the xy-plane in a uniform magnetic field of 0.5 T directed along the positive z-axis. If the magnetic field suddenly begins decreasing at a rate of 0.2 T/s, what is the direction of the magnetic force on the induced current in the loop?

A thin spherical shell of radius R carries a uniform surface charge density σ. At what distance from the center of the shell does the electric field strength reach its maximum value?

A conducting slab of thickness d carries a uniform current density J in the positive x-direction. Using Ampère's law, which expression correctly gives the magnetic field at a distance y above the center of the slab (where y < d/2)?

Two parallel wires separated by distance d carry currents I₁ and I₂ in the same direction. An Amperian loop encircles only the first wire. What is the line integral of B⋅dl around this loop?

In a series RC circuit with $$R = 100\,\Omega$$ and $$C = 10\,\mu\text{F}$$, a $$50\,\text{V}$$ battery is connected at $$t = 0$$. At $$t = 0.5\,\text{ms}$$, the switch is opened, disconnecting the battery. What is the current in the circuit at $$t = 1.0\,\text{ms}$$ (i.e., 0.5 ms after the battery is disconnected)?

All of the following statements about the Great Pacific Garbage Patch are true except:

Which of the following is a direct impact of pollution on wetlands?

What is a primary environmental impact of heavy metals entering groundwater?

Which of the following is a direct hazard of aquatic litter to wildlife?