a pendulum on a grandfather clock is supposed to oscillate once every 2.00 s, but actually oscillate once every 1.99s. how much must you increase its length to correct its period 2.00 s?

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

Could someone . i have tried to solve myself but my calculation is off

Which of the following is an example of motion in two dimensions?