Aball is rolled uphill a distance of 5 meters before it slows, stops, and begins to roll back. the ball rolls downhill 9 meters before coming to rest against a tree. what is the amount of displacement of the ball?

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.

An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.