A 150-kg object takes 1.5 minutes to travel a 2,500 - meter straight path. It begins the trip traveling 120 m/s and decelerates to a velocity of 20 m/s. What is the acceleration?

Which of the pollutants shown in Figure 4-2 are considered to contribute to the pollution problem known as acid precipitation?

What type of wave would michael produce by shaking his finger back and forth twenty-five times per second? a. a longitudinal wave that he could not hear b. a sound wave that he could just barely hear c.

In a flower, what most likely happens when pollen from the stamen gets into the ovary?

A student pushes on a 20.0 kg box with a force of 50 N at an angle of 30° below the horizontal. The box accelerates at a rate of 0.5 m/s2. What is the value of the friction force on the box? 200 N 50 N 43 N 33 N

A rectangular metal bar has length of 20cm, width of 5cm. Mass of the block is 2kg and its density is 5000kg/m3. Find the height of the metal bar.

The length of a football field is closest to (1) 1000 cm (3) 1000 km (2) 1000 dm (4) 1000 mm

Using diagram differentiate between solenoid and a toroid

The product of voltage across a device and the charge passing through it is: field strength work force inductance

Como se relaciona aceleracao centripeta com o raio? como seria em grafico?

Explain the amount of chromosomes and gene combinations in a parent cell and offspring that result from meiosis and fertilization