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Determine the magnitude of the velocity of the ball one second later? Please sketch a diagram having initial and t = 1sec velocity vectors clearly labeled.
The mass and radius of the moon are 7.4 × 10^22 kg and 1.7 ×10^6 m, correspondingly. Find out the weight of a 1.0 kg object on the surface of moon?
Find out the minimum angle at which a roadbed must be banked so that a car traveling at 20.0 m/s can securely negotiate the curve when the radius of the curve is around 2.00 × 10^2 m.
Determine what would be the speed of the ball which was initially idle after the collision? (Obtain the positive direction as to the right.)
Assume that the target is at rest if struck; determine what would the speed be after the arrow exits?
The beam reflects from a speeding car, which is moving in the direction of the police car at 48.0m/s with respect to the police car. The speeder's radar detector detects the microwave at a frequency
The electric field in a radio wave traveling via vacuum consists of amplitude 2.5x10^-4 V/m and frequency 1.47 MHz. i) Determine the amplitude and frequency of the magnetic field.
Suppose that you are standing on a lake that is really frozen; you then carry on to provide a small child (having specific mass of m2) a push away from you (encompassing specific mass of m1). Suppos
The electron in a hydrogen atom having energy of-.544 eV is in a sub-shell having 18 states. i) Determine the principal quantum number, n for the atom?
Let consider the point A which is 30 cm from the end of the string and point B that is 60 cm from the end of the string. Amplitude of both points is 1cm. Determine: i) Wave speed ii) Frequency
A spacecraft moving away from the Earth emits a 4377 Hz signal. A scientist on Earth evaluates the signal to be 4373 Hz. Determine the speed of the spacecraft relative to the Earth?
What collector area (in square meters) is essential to increase of the temperature 240 L of water in the tank from 22°C to 35°C in 2.8 h if the intensity of incident sunlight is 600 W/m2? Th
A fish is swimming in water within a thin spherical glass bowl of uniform thickness. Supposing the radius of curvature of the bowl is around 25.0 cm, place the image of the fish when the fish is pos
Describe by using illustrations, why seemingly simultaneous events might take place at different times and various places, based on your frame of reference.
A meter stick is supported on the fulcrum at the 29 cm mark. An object of 0.90 kg is suspended from the zero end of the meter stick, and the stick is balanced horizontally. Determine the mass of the
Determine this temperature. Suppose that the specific heat of liquid and gaseous aluminum is around1170 J/kgC.
A person skateboarding departs the top of the hill and consists of a weight of 784N and is traveling at 3m/s. After a 94 m drop her speed is 23m/s. Compute the work done by non conservative force of
i) Find out the temperature (in C) of the copper-steel interface. ii) Determine how much heat is conducted via 1.00 m2 of the joint sheets per second?
A man on the top of a building throws a ball at 18m/s at a 35 degree angle off a 165' building. Determine how fast the ball is moving if it strikes the ground.
A string closed at each end is plucked and the given two standing waves (2nd harmonic and 3rd harmonic) are made. The primary frequency (n = 1) is 60 Hz. Determine the wavelength of the second harmo
A lead sinker having mass 225 grams and density of 11.3 g/cm3 is joined to the bottom of a wooden block of mass 25 grams and density 0.5 g/cm3. Compute the apparent weight if both are submerged in wa
Determine the hydroxide-ion concentration of a solution if its hydronium-ion concentration is around 1 x 10^-5 mole per liter? Determine the pH of the solution.
Assume that the water strikes the ground 4.25 m from the hole in the tank. When the hole is 2.45 m above the ground, determine how far above the hole is the water level?
A photon consists of an energy E and wavelength\lambda before scattering from a free electron. After scattering via a 140°, the photon's wavelength has raised by 11.0%. Determine the initial wav