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A contestant in a winter sporting event pushes a 45.0-kg block of ice across a frozen lake as shown below. The coefficient of friction of ice can be found in Table 6.1 on page 270 in University Physics Volume 1.

[3] Calculate the minimum force, F, the contestant must exert to get the block moving.
[2] What is the block’s acceleration once it starts to move, if the force, F, calculated in a. above is maintained.