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A convex mirror with a radius of curvature of 32.0 cm forms a 1.20 cm tall image of a pencil at a distance of 13.6 cm behind the mirror. Calculate the object distance for the pencil and its height. Is the image real or virtual? What is the magnification? Is the image inverted or upright?
Two balls of the same mass are accelerated by different net forces such that one ball gains a velocity twice that of the other ball in the process. Is the work done by the net force acting on the faster moving ball twice that done on the slower mo..
Several vectors in the x-y plane are shown in the figure with their tails at the origin of the coordinate system and with a label at their heads
When they oppose one another, the box accelerates at 0.240 m/s2 in the direction of F2. (a) What is the magnitude of F1? (b) What is the magnitude of F2?
The ratio of the number of turns in the primary to the number of turns in the secondary of a step-down transformer is 25:1. how much power is delivered to the secondary
Suppose a block with mass 2.30kg is resting on a ramp. If the coefficient of static friction between the block and the ramp is 0.420.
A projectile of mass 0.950 kg is shot straight up with an initial speed of 24.0 m/s, If the projectile rises to a maximum height of only 19.7 m, determine the magnitude of the average force due to air resistance
Airplane A , starting from rest with constant acceleration, requires a runway 600{\rm m} long to become airborne.
A 2 kg gun imparts a speed of 500 m/s to a 25 g bullet. what average force is exerted on the shooter's shoulder
How much time is spent in pushing the mower
What current is required in the windings of a long solenoid that has 1710 turns uniformly dispersed over a length of 0.547 m in order to produce a magnetic field of magnitude 0.0002 T at the center of the solenoid.
Consider a balloon filled with helium gas at room temperature (T = 289 K) and atmospheric pressure. Calculate the average de Broglie wavelength of the helium atoms
Ice at -10.2 °C and steam at 136 °C are brought together at atmospheric pressure in a perfectly insulated container. After thermal equilibrium is reached, the liquid phase at 53.0°C is present.
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