The diagram below shows the positions of the Earth and Sun during different times of the Earth year. Each position represents the first day of a particular season. Use the labels to correctly identify the season that the Northern Hemisphere is beginning to experience in each position.

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.

The weights of bags filled by a machine are normally distributed with a standard deviation of 0.05 kilograms and a mean that can be set by the operator. at what level should the mean weight be set if it required that only 1% of the bags weigh less than 9.5 kilograms? round the answer to 2 decimal places.