Consider a child who is swinging. As she reaches the lowest point in her swing:
a. the tension in the rope is equal to her weight.
b. the tension in the rope is equal to her mass times her acceleration.
c. her acceleration is downward at 9.8 m/s2.
d. none of the above.
Question 2
A roller coaster, loaded with passengers, has a mass of 3000 kg; the radius of curvature of the track at the bottom point of the dip is 24 m. If the vehicle has a speed of 18 m/s at this point, what force is exerted on the vehicle by the track? (g = 9.8 m/s2)
a. 2.3 104 N
c. 7.0 104 N
b. 4.7 104 N
d. 1.0 104 N
This 11-month old girl demonstrates one of the abilites of a child of this age group - creating a to
Child with cerebral palsy has abnormal muscle tone and lack of physical coordination.
POWER POINT PRESENTATION logo
Write the equation in general form of the line passing through the point
Child Development, 7th Edition
South American Indigenous Woman and Child