Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) A boat is moving in direction of vector `-4veci+30vecj` with a speed of 10 m/sec. velocity vector of boat can be expressed as - Sarthaks eConnect

A boat is moving in direction of vector `-4veci+30vecj` with a speed of 10 m/sec. velocity vector of boat can be expressed as:

`-40hati+30hatj`

`-8hati+6hatj`

`-4/5hati+3/5hatj`

`-6hati+8hatj`