Determining the spring constant problem
A 1000 kg safe is held 2 m above a heavy duty spring when the rope holding it breaks. The safe compresses the spring 50 cm. What is the spring constant?
Expected delivery within 24 Hoursrs
How does the mass density compare to the density of individual neutrons (take them to have a radius of 2.3 attometers.
The beam's length is 1.30 m and the sign's dimensions are 1.00 m horizontally 0.80 m vertically. What is the minimum angle that you can have between the beam and cable?
The pressure in a constant-volume gas thermometer is 0.700 atm at 100°C and 0.512 atm at 0°C. (a) What is the temperature when the pressure is 0.0540 atm?
A rocket is launched at an angle of 55.0° above the horizontal with an initial speed of 101 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 30.0 m/s2. At this time, its engines fail and the rocket proc
You swing a 1.65-kg rock tied to a rope in a vertical circle of radius 0.75 m. When the rock reaches the top its speed in 3.25 m/s. A.) Calculate the acceleration of the rock at the top and show it's direction.
A 42 g ice cube at its melting point is dropped into an insulated container of liquid nitrogen. How much nitrogen evaporates if it is at its boiling point of 77 K and has a latent heat of vaporization of 200 kj/kg?
Calculate the pH of a solution that has an ammonium chloride concentration of 0.050M and an ammonia concentration of 0.045M. Explain using an ice diagram, if possible.
The fifth-order maximum of the unknown wavelength exactly overlaps the third-order maximum of the red light. What is the unknown wavelength?
Lightning rods are used to protect houses and barnes from lightning; the lightning current runs through the copper rather than through the building. Why. Why should the end of the rod be rounded?
What is the angle of refraction as the ray enters the air on the far side of the prism?
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!