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Description
A dramatic demonstration of Newton's second law of motion. Spring-loaded device shows that a ball dropped vertically hits the floor at the same time as a ball projected horizontally. Spring can be set at 2 different tensions. Instructions included.
A dramatic demonstration of Newton's second law of motion. Spring-loaded device shows that a ball dropped vertically hits the floor at the same time as a ball projected horizontally. Spring can be set at 2 different tensions. Instructions included.
Specifications
- Return Policy:
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.