Why is an alarm clock going "off" when it actually turns on?

A toy train rolls around a horizontal 1.0-m-diameter track. The coefficient of rolling friction is 0.10.

The orientation of which of the following does not influence the phases of the moon? A.) Earth B.) the moon C.) Sun D.) Stars

a skydiver with a mass of 60 kg jumps out of an airplane at a height of 5 5000m. the acceleration due to gravity is 9.8 m/s2. what is the gravitational potential energy of the skydiver

A uniform diameter rod is weighted at end and is floating in a liquid. Determine if the liquid is (a) lighter than water, (b) water, or (c) heavier than water. Justify your answer.

A network administrator is setting up a web server for a small advertising office and is concerned with data availability. The administrator wishes to implement disk fault tolerance using the minimum number of disks required.

Which is the correct formula for cellular respiration? a. 6 CO2 + 6 H2O + light energy → C6H12O6 + 6 O2 b. CO2 + H2O → C6H12O6 + O2 c. C6H12O6 + O2 → CO2 + H2O d. C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + ATP energy

A tree is standing in the middle of a meadow. As you watch, the wind begins to blow and the tree bends. Which statement best explains how you could tell that a net force was acting on the tree? OA) The tree had momentum.

Consider two cars, a 700kg Porsche and a 600kg Honda Civic. The Porsche is speeding along at 40 m/s (mph) and the Civic is going half the speed at 20 m/s.

Which statement about an electron in the 4d state is correct? A. The magnitude of its orbital angular momentum is 6√ℏ. B. The largest orbital angular momentum it could have in any given direction is 4ℏ. C.

A D note has a frequency of 587.33 Hz. Calculate its wavelength in meters. The speed of sound is 343 m/s