A car of mass 1500kg was suspended a spring of force constant 1500N/m. When it travels at a speed of 20m/s, its spring extended 50cm. Find the net potential energy stored in the car. (Take g=10m/s).​

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section