A12.0 g pebble is placed in a sling shot with a spring constant of 200.0 n/m and is stretched back 0.450 m. what is the maximum velocity the pebble will acquire?

What type of nuclear decay causes the atomic number of an element to increase by 1?

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?