Throughout the “Better than the Internet” series, speakers like Sarah Blaffer Hrdy, Alison Darcy, and Andy Laats explore what humans uniquely bring to caregiving. Choose one specific caregiving context from the episodes (parenting infants, supporting mental health, guiding children through grief, or another moment you discussed in Perusall).  In 100-150 words, analyze what is irreplaceable about human presence in that context. What biological, emotional, social, or cultural dimensions does the human caregiver address that AI or robots cannot? Use specific developmental concepts we’ve studied in your discussion.

A person pushes a 48.5kg block of ice  at an angle 30.80 below the horizon across a lake as shown in the figure.   Calculate the minimum force F (in N) he must exert to get the block moving. (Hint: Horizontal component of force = Static friction force) (The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03)

A man stands on a platform that is rotating (without friction) with an angular speed of 2.33 rev/s; his arms are outstretched and he holds a brick in each hand. The rotational inertia of the system consisting of the man, bricks, and platform about the central axis is 6.92 kg·m2. If by moving the bricks the man decreases the rotational inertia of the system to 1.96 kg·m2, what is the resulting angular speed in rad/s of the platform?

The only force acting on a 3.8 kg body as it moves along the positive x axis has an x component Fx = -8x N, where x is in meters. The velocity of the body at x = 1.4 m is 9.1 m/s. What is the velocity of the body at x = 4.1 m?

A 0.67 kg ball is moving horizontally with a speed of 4.0 m/s when it strikes a vertical wall. The ball rebounds with a speed of 1.4 m/s. What is the magnitude of the change in linear momentum of the ball?

A circular-motion addict of mass 40.0 kg rides a Ferris wheel around in a vertical circle of radius 12.0 m at a constant speed of 5.0 m/s. What is the magnitude of the normal force on the addict from the seat when both go through the highest point of the circular path?

A  spring stretches 1.68 cm vertically when a 1.50 kg object is suspended from it.  Find the distance (in cm) the spring stretches if you replace the 1.50 kg object with a 4.40 kg object. Assume that the spring obeys the Hook’s law.

A horizontal vinyl record of mass 0.0522 kg and radius 0.0932 m rotates freely about a vertical axis through its center with an angular speed of 5.71 rad/s and a rotational inertia of 2.02 x 10-4 kg·m2. Putty of mass 0.0189 kg drops vertically onto the record from above and sticks to the edge of the record.What is the angular speed of the record immediately afterwards?

Suppose the coefficient of static friction between the road and the tires on a car is 0.4 and the car has no negative lift. What speed will put the car on the verge of sliding as it rounds a level curve of 34.0 m radius?

A circular-motion addict of mass 90.0 kg rides a Ferris wheel around in a vertical circle of radius 12.0 m at a constant speed of 5.0 m/s. What is the magnitude of the normal force on the addict from the seat when both go through the highest point of the circular path?