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Water drips from the nozzle of a shower onto the floor 203 cm below. The drops fall at regular (equal) intervals of time, the first drop striking the floor at the instant the fourth drop begins to fall. When the first drop strikes the floor, how far (in cm) below the nozzle are the (a) second and (b) third drops?
An ambulance is traveling east at 55.6 m/s. Behind it there is a car traveling along the same direction at 34.5 m/s, What is the wavelength of the sound of the ambulance's siren
Find equation for the ground state energy for a particle in a spherically symmetric potential well,V(r) = -ad(r-a), and show that the bound state appears only when a is greater than some critical value.
A pesky 1.7-mg mosquito is annoying you as you attempt to study physics in your room, What is the maximum uncertainty in the horizontal position of the mosquito
the speed of light in a certain material is measured to be 2.2*10^8 m/s. what is the index of refraction of this material
a 10 gram ice cube at 10 degree celsius is dropped into 40 grams of water at 30 degree celsius. after the two come into
An empty capacitor is connected to a 24.0 V battery andcharged up. The capacitor is then disconnected from the battery,and a slab of dielectric material (κ = 3.5) isinserted between the plates. Find the amount by which the potential difference acr..
In a constant-volume process, 205 J of energy is transferred by heat to 0.94 mol of an ideal monatomic gas initially at 309 K. find the increase in internal energy of the gas
A hockey puck is sliding across a frozen pond with an initial speed of 9.7 ms. It comes to rest after sliding a distance of 44.0 m. What is the coefficient of kinetic friction between puck and ice.
The specific heat capacity of a material is 1150 J/(kg·°C). The temperature of 1.0 kg of this solid material is raised by 6.0°C. determine the change in the internal energy of the material
Calculate the impulse experienced when a 66 kg person lands on firm ground after jumping from a height of 2.8m. Estimate the average force exerted on the person's feet by the ground if the landing is with bent legs
You are listening to a pure tone of A440 (440. Hz). Without realizing it, you are doing this by noticing the time interval between the firing of the hair cells in your basilar membrane, What is this interval
When a woman who is 2 m tall stands near a flagpole, the shadow of her head and the shadow of the top of the flagpole are superimposed, Find the height of the flagpole
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